Fixed: #39 Double page mode: Optionally compute shrink ratio separately
Merge remote-tracking branch 'upstream/master'
[bug: #40] Added preference to customise shortcuts.
Minor:
Removed option to change shortcut by hovering over a menu item with the mouse.
Added "zoom out" action to keybinding manager.
Refactored mcomix.keybindings .
Merge remote-tracking branch 'evilkost/shortcuts' into shortcuts
Sort keybindings by action name.
Silence GTK warning (editable must be an index into the model array).
[bug: #40] Updating gtk accelerator labels.
[bug: #40]: Accelerators completly removed from ui.py . Now we have single a way to define accelerators.
Merge remote-tracking branch 'evilkost/shortcuts' into shortcuts
Fix and clarify some shotcut titles.
Fix stray comment mentioning UI shortcuts.
Set default keys for remaining blank actions.
Add migration path from old keybindings.
Mention new shortcut edit tab in preferences dialog.
Move keybindings edit tree to a seperate class.
Add note about All Books refresh bug.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@911 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Merge branch 'shortcuts'

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@912 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Update translation template.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@913 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Updated German translation.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@914 ef8490bc-f317-4725-81ed-e95a9aca1bcf