Activity macro tweaks for backend mails
temp changes to adapter
Working adapter
Splicing off the last 2 comments in the activity template
Merge remote-tracking branch 'simong/emailaggregation' into emailaggregation
Remove unneeded f.py and add better default preview icons
Add wide thumbnail image to the activity when available
Moved the activity adapter into /shared/oae/js
Email aggregation

 * Split of content mime types into separate file
 * dutch translations
 * better user icon
 * adapter improvements
Email aggregation follow-up

 * Removed node_modules/oae-bundles reference
 * Fixed activity stream wide image
 * Bring in amdefine
 * Fixed some translations in bundles
Removed colon from email greeting
Merge branch 'master' into emailaggregation

* master: (24 commits)
  Synchronized translations
  Updated auth endpoints
  Follow up on user management review
  Follow up on user management review
  Prepend created and updated users to the user management list
  Add create user endpoints to nginx file
  Follow up on user management review
  Sort bundles in node_modules/oae-admin
  Document reprocessing parameters in the UI
  Consolidate admin-striped table CSS
  Minor tweaks to createuser endpoints for user management
  Prepare create user API while waiting for REST endpoints to be finished, follow up on code review
  Synchronized Spanish translation
  Replace api.logout with logout form/button in the terms and conditions widget
  Logout follow-up
  Users created on global admin are global administrators by default, creating a user on a regular tenant gives the option of making the user a tenant admin
  Make visual changes to the maintenance widget
  Follow up on user management review
  Follow up on user management review
  Consistency updates for progress bars, tweaks to QUnit untranslated keys test, add failure handling in the changepic widget, rename maintenance to servermaintenance
  ...
Email aggregation follow-up
Added the small user icon
Email aggregation follow-up
Passing a sanitization object into activity adapter

 * Also fixed an injection bug in the file preview widget
Email aggregation follow-up
Switched around object and target in translation bundles
Moved the original activity to an aptly named property called `originalActivity` in the activity adapter
Renamed variable in activity adapter