URLs that are currently 404 (Feb/14) -- add 301 redirects or re-instantiate the old URI

MUST fix:

...


Should fix:

[FIXED?] http://www.manual.ardour.org/ardours-interface/using-ardour-clock-displays/ -> ardours-interface/transport-clocks


Maybe fix:

http://www.manual.ardour.org/editing-and-arranging/creating-regionfades-and-crossfades/
http://www.manual.ardour.org/editing-and-arranging/editing-midi/midi_region_cloning/
http://www.manual.ardour.org/editing-and-arranging/editing-midi/changing-note-properties/
http://www.manual.ardour.org/editing-and-arranging/editing-midi/quantizing-midi/
http://www.manual.ardour.org/working-with-plugins/the-processor-box/
http://www.manual.ardour.org/ardours-interface/basic-gui-operations/selection-techniques/
http://www.manual.ardour.org/ardours-interface/basic-gui-operations/using-the-mouse/
http://www.manual.ardour.org/ardours-interface/introducing-the-editor-window/the-editing-toolbar/
http://www.manual.ardour.org/ardours-interface/introducing-the-editor-window/the-transport-bar/
http://www.manual.ardour.org/working-with-markers/getting-to-know-the-rangesmarks-list/
http://www.manual.ardour.org/working-with-markers/the-punch-range/
http://www.manual.ardour.org/signal-routing/role-of-jack/
http://www.manual.ardour.org/editing-and-arranging/move-regions/move-regions-with-the-mouse