gui update
reset
Spanish translation
Merge pull request #4 from solispauwels/master

Spanish translation
change root file detection strategy
do not unzip archive for each validation
Merge pull request #5 from Elorfin/select-root-file-bis

change root file detection strategy
Font Awesome icons update
Merge pull request #6 from solispauwels/master

Font Awesome icons update
Core 3.0 update
Merge pull request #7 from claroline/3.0-update

Core 3.0 update