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