move from block layout to list layout, first step
Activity: hide appname, move date to right
Activity app: margin and position fixes
Activity: simplify icon
Activity: add colored icons for add, change, delete
Activity: remove header with username and avatar
Activity: more layout, align message, icon, header, preview
Activity: more layout, align message, icon, header, preview
Fix icons for delete and add
Fix new lines
Make a short and long version of subjects and use the short one in the UI

The long one is displayed on hover
Add icon for grouped activities
Remove duplicated css
Always add div.activity-icon so the messages are aligned
Use else instead of !condition for easier readability
Add icon for share activities
change colored change icon to black/grey for less distraction
align icons to top in activity groups
Highlight usernames, files and other params in subjects
Merge branch 'activity-design' of https://github.com/owncloud/apps into activity-design

# By Jan-Christoph Borchardt
# Via Jan-Christoph Borchardt
* 'activity-design' of https://github.com/owncloud/apps:
  align icons to top in activity groups
  change colored change icon to black/grey for less distraction