Merge branch 'release/0.3' into develop
Fixed functions
Fixed void functions return usages
Set content type for CSS serving from PHP
French corrections

Added missing RoomSingular translation
Merge pull request #3 from GPCsolutions/cleanup

Cleanup
New : add document on buildings
Fix : bad permission
Remove useless output
Improve OSM link
Fix : logging
Improve room add form display
Missing include / bad id for extrafields
Fix : doc / remove useless code
New : documents support for rooms
Uniformize tabs display
Fix : bad path fo include
Merge branch 'feature/documents' into develop

Conflicts:
	class/place.class.php
Fix : bad include path
Fix : useless merge code