Merge branch 'release/0.1'

* release/0.1:
  added fanstatic pipeline to development.ini
  Remove remaining references to kotti_image_gallery. Adjust/fix tests.
Move to Bootstrap Image Gallery.
Add multi column layouts.
Change doc file extensions to rst.
Test the default views.
Add German locale.
Complete German translation.
Make buttons smaller and less colorful.
Register the translation directory.
Update changelist.
Update gitignore.
tests doesn't need an __init__.py.
Implement IDefaultWorkflow.
Bump version.