Added Scottish Gaelic to language list for voice files
Bugfix: Name for Republic of Congo
Bugfix: Play the audio level number now works with level > 9
geography, fixed file paths for voices files
lang activity: added a background.

The background come from openclipart.
falling letters, removed capital accentuated letters.

Moved accentuated letter in the upper levels.
bar minor improvement. enlarged the level button

The level number is now easier to read.
lang image, changed the hedge image to include a girl.
Forced commit so I can merge my own files from other machine.
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/gcompris/bar.c
	src/geography-activity/resources/geography/board10_0.xml.in
	src/geography-activity/resources/geography/board11_0.xml.in
	src/searace-activity/searace.py
Bugfix: Replaced calls to pgettext with GNU macro C_. All activities are back now.