Better handling of addition and deletion
Add rootSection to directive creation diff (as an Option), display a simple diff for add
Add delete diff
plop
Merge remote-tracking branch 'vme_origin/proto/workflows' into proto/workflows
Change initialState to be the old Directive, not the one with the modification
Remove rootsection from add diff and delete Diff, use technique current rootSection instead
Add javascript function to make diff in rudder.js
Add modification diff V1
merge
Remove unused service