motion detail:
- added progres bar for motionpoll
- added support/unsupport function
- show log
motion list:
- added state filter
- added css animations for enter/leave
motion form:
- use angular-formly (instead of old ng-fab-forms with no angular 1.4.x support)
general:
- Workflow states use new field 'css_class' (instead of unused
'icon'). Added migration file.
- added 'allowed_actions' to rest api for each motion (by Norman)
- updated all JavaScript dependencies (bower.json)
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