Initial commit.

First commit for the Nautilus extension of GNOME Split.
Add French translation.
Add licence header to the source files.
Display 'Merge Files...' entry only when files are mergeable.
Update French translation.
Fix make dist when trying to compile .po.
Fix the command line to start GNOME Split.
Fix command line to start GNOME Split.
Remove useless .pot file.
Update ChangeLog and README. Version 0.1
Minor code format fix.
Do not show the menu entry if the user selected a directory.
Update ChangeLog and README. Version 0.2