Merge remote-tracking branch 'upstream/master'
add tree root attribute to tree li
[WIP] Tree
[WIP] Tree
cloning still buggy

Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/Innova/LearningPathBundle/Controller/StepController.php
Merge pull request #32 from arnaudbey/master

[WIP] Tree
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
quick fix for root without specified path
Merge pull request #33 from arnaudbey/master

quick fix for root without specified path
Premiere pass de correction
PHP CS fixer
Build scripts
Merge pull request #34 from purplefish32/phing

Phing build scripts
Merge remote-tracking branch 'upstream/master'
Clonage, suppression (sans ajax), drag & drop
Adding resize
Merge pull request #36 from leovidal73/master

suppression, drag & drop
Merge pull request #37 from arnaudbey/netoyagestep

Nettoyagestep
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'