Merge pull request #1 from ALouis38/master

Collapse fonction
Merge branch 'master' of github.com:purplefish32/tree-proto-angular
Undo/Redo
Share data between views
New view test
Readme
Drag'n'dropœ:wq
Merge pull request #2 from ALouis38/dragndrop

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popover
Merge pull request #3 from ALouis38/popover

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Merge branch 'master' of github.com:purplefish32/tree-proto-angular
Buttons
Adding sortable options instead of options in HTML
Merge pull request #4 from ALouis38/sortableoptions

Adding sortable options instead of options in HTML
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Merge branch 'master' of github.com:purplefish32/tree-proto-angular

Conflicts:
	app/css/app.css
Steps
Update tree2
heart
Fixed delete step