Merge pull request #9 from FHenry/qe

color and description in ressource planning
Use icons for resource actions
First rough resource modification handler
Renamed private method
Factored common code
Fix: use the right parameter type
Use the user
Missing translation string
Correctly load resource modules languages
Prevent resource modification from event tasks
Fix date format and weekend render into template
fix verious bug
Merge remote-tracking branch 'zendfusion/qe' into qe
Fix bug : return 0 in trigger on project deletion without task if there
is no task to delete
remove debug query