move ancient icon source files away from the top-level

This also resolves an ambiguity with "icons/" when running
ardour from the source dir

gtk2_ardour/icons/export_icons.sh

@@ -1,14 +0,0 @@
-#! /bin/bash
-
-# Export one PNG for every icon-size in app-icon_tango.svg. The "targets" layer in the SVG should be hidden.
-
-for s in \
-  "ardour-app-icon_tango_256px" \
-  "ardour-app-icon_tango_048px" \
-  "ardour-app-icon_tango_032px" \
-  "ardour-app-icon_tango_022px" \
-  "ardour-app-icon_tango_016px" \
-  "ardour-app-icon_osx" \
-  "ardour-app-icon_osx_mask";
-  do inkscape --export-id "$s" --export-png "$s.png" app-icon_tango.svg;
-done

gtk2_ardour/icons/tool_object.xpm

@@ -1,54 +0,0 @@
-/* XPM */
-static char * tool_object_xpm[] = {
-"16 12 39 1",
-" 	c None",
-".	c #000000",
-"+	c #0C0C0C",
-"@	c #151515",
-"#	c #D1D1D1",
-"$	c #121212",
-"%	c #161616",
-"&	c #DADADA",
-"*	c #131313",
-"=	c #D6D6D6",
-"-	c #0F0F0F",
-";	c #050505",
-">	c #D3D3D3",
-",	c #0A0A0A",
-"'	c #070707",
-")	c #E5E5E5",
-"!	c #292929",
-"~	c #B0B0B0",
-"{	c #262626",
-"]	c #5C5C5C",
-"^	c #333333",
-"/	c #0E0E0E",
-"(	c #111111",
-"_	c #3D3D3D",
-":	c #F4F4F4",
-"<	c #FFFFFF",
-"[	c #EBEBEB",
-"}	c #D0D0D0",
-"|	c #030303",
-"1	c #F1F1F1",
-"2	c #FDFDFD",
-"3	c #C3C3C3",
-"4	c #101010",
-"5	c #141414",
-"6	c #F2F2F2",
-"7	c #4E4E4E",
-"8	c #686868",
-"9	c #0B0B0B",
-"0	c #020202",
-"    .+.         ",
-"    @#$         ",
-"    %&*         ",
-"    +=-..       ",
-"    ;>.,,-..    ",
-"   .')!~{]^/    ",
-"   (_:<<<[}|    ",
-"   '12<<<<<|    ",
-"   -~<<<<<34    ",
-"   .56<<<<7|    ",
-"    /8<<<),.    ",
-"    .9|||0-     "};

icons/metronome.svg

@@ -1,136 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="24"
-   height="24"
-   id="svg2"
-   version="1.1"
-   inkscape:version="0.47 r22583"
-   sodipodi:docname="metronome.svg"
-   inkscape:export-filename="/usr/local/music/src/ardour/3.0/icons/metronome.png"
-   inkscape:export-xdpi="90.629997"
-   inkscape:export-ydpi="90.629997">
-  <defs
-     id="defs4">
-    <inkscape:perspective
-       sodipodi:type="inkscape:persp3d"
-       inkscape:vp_x="0 : 12 : 1"
-       inkscape:vp_y="0 : 1000 : 0"
-       inkscape:vp_z="24 : 12 : 1"
-       inkscape:persp3d-origin="12 : 8 : 1"
-       id="perspective16" />
-  </defs>
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#54555d"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="22.627417"
-     inkscape:cx="3.8473868"
-     inkscape:cy="10.831237"
-     inkscape:document-units="px"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     borderlayer="true"
-     inkscape:showpageshadow="false"
-     inkscape:window-width="1361"
-     inkscape:window-height="851"
-     inkscape:window-x="1660"
-     inkscape:window-y="15"
-     inkscape:window-maximized="0"
-     inkscape:snap-bbox="true"
-     inkscape:object-paths="true"
-     inkscape:snap-intersection-paths="true"
-     inkscape:object-nodes="true"
-     inkscape:snap-smooth-nodes="true"
-     inkscape:snap-midpoints="true"
-     inkscape:snap-object-midpoints="true"
-     inkscape:snap-center="true"
-     inkscape:snap-bbox-midpoints="true"
-     inkscape:bbox-nodes="true"
-     inkscape:bbox-paths="true"
-     inkscape:snap-bbox-edge-midpoints="true">
-    <inkscape:grid
-       type="xygrid"
-       id="grid3082"
-       empspacing="5"
-       visible="true"
-       enabled="true"
-       snapvisiblegridlinesonly="true" />
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-  <metadata
-     id="metadata7">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
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-     inkscape:groupmode="layer"
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-       inkscape:export-ydpi="115.66" />
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-       inkscape:connector-curvature="0"
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-       inkscape:connector-curvature="0"
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-       sodipodi:nodetypes="cc"
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-       id="g3856"
-       style="stroke:#ffffff;stroke-width:2.19440592;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none;opacity:0.66417910000000002"
-       transform="matrix(0.90977646,0,0,0.91304328,1.0826824,90.466479)">
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-         inkscape:connector-curvature="0"
-         id="path3054"
-         d="M 5.9999998,1043.8622 18,1043.8622"
-         style="fill:none;stroke:#ffffff;stroke-width:2.19440592;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none" />
-      <g
-         id="g3962"
-         style="stroke:#ffffff;stroke-width:2.19440592;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none">
-        <path
-           style="fill:none;stroke:#ffffff;stroke-width:2.19440592;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none"
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-           inkscape:connector-curvature="0" />
-        <path
-           inkscape:transform-center-x="3.4441509"
-           inkscape:transform-center-y="-8.3149"
-           sodipodi:nodetypes="cc"
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-           id="path3960"
-           inkscape:connector-curvature="0" />
-      </g>
-    </g>
-  </g>
-</svg>

icons/midi_panic.svg

@@ -1,93 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="744.09448819"
-   height="1052.3622047"
-   id="svg2"
-   version="1.1"
-   inkscape:version="0.47 r22583"
-   inkscape:export-filename="midi_panic.png"
-   inkscape:export-xdpi="3.3178849"
-   inkscape:export-ydpi="3.3178849"
-   sodipodi:docname="midi_panic.svg">
-  <defs
-     id="defs4">
-    <inkscape:perspective
-       sodipodi:type="inkscape:persp3d"
-       inkscape:vp_x="0 : 526.18109 : 1"
-       inkscape:vp_y="0 : 1000 : 0"
-       inkscape:vp_z="744.09448 : 526.18109 : 1"
-       inkscape:persp3d-origin="372.04724 : 350.78739 : 1"
-       id="perspective10" />
-  </defs>
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0.0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="0.35"
-     inkscape:cx="-727.85714"
-     inkscape:cy="502.85714"
-     inkscape:document-units="px"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     inkscape:window-width="1436"
-     inkscape:window-height="949"
-     inkscape:window-x="137"
-     inkscape:window-y="86"
-     inkscape:window-maximized="0" />
-  <metadata
-     id="metadata7">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     inkscape:label="Layer 1"
-     inkscape:groupmode="layer"
-     id="layer1">
-    <rect
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-       id="rect2816"
-       width="74.285728"
-       height="448.57144"
-       x="242.85715"
-       y="118.07647" />
-    <path
-       sodipodi:type="arc"
-       style="color:#000000;fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate;opacity:0.61851852"
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-       sodipodi:cx="121.42857"
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-  </g>
-</svg>