strip whitespace in Page model
Add AnimationPane resource

result of: hobo g resource AnimationPane

[#47371653]
Add associations for AnimationPane

[#47371653]
migration for AnimationPane

[#47371653]
Permissions for AnimationPane

[#47371653]
Update auto_actions for AnimationPane

[#47371653]
"New Animation Pane" link

[#47371653]
Scope AnimationPane form's animations to activity

[#47371653]
Redirect to page after destroying AnimationPane

[#47371653]
serialize AnimationPanes

[#47371653]
Allow copying of activities with AnimationPanes

[#47371653]
Activity with page factory
AnimationPane-related factories

[#47371653]
AnimationPane-related specs

[#47371653]