Issue 564 - Profile pictures should have an extension so nginx can decide what mime type to send on downloads.
Merge pull request #564 from simong/issue-564-profile-pics-extension

User and Group thumbnails transferred with mime type application/octet-stream
 French translation - emailtemplate
Merge pull request #587 from dooremont/fr_FR_email

 French translation - email template
Issue 582: Tenant and Global admins should be able to list the members of a group.
 French translation - emailtemplate for oae-discussions oae-principals
Fixed small typo
Merge branch 'fr_FR_email' of https://github.com/dooremont/Hilary into fr_FR_email
Documentation clean-up
583 - Restoring a revision should create a restore activity event.

The oae:activityType will be set to 'content-restored-revision' when
an older revision gets restored.
Making Polish available as language
Updating README file based on oae-dev feedback from Samuel
(Issue597) Introduce reindexAll functionality for discussions
(Issue597) Changes from self review
Merge pull request #598 from nicolaasmatthijs/README

Updating README file
Merge pull request #597 from mrvisser/issue-597

Include Discussions in reindexAll
Merge pull request #583 from simong/issue-583-restored-revision-activity

Should have an activity for restoring a revision
Merge pull request #582 from simong/issue-582-group-members-admins

Global or tenant admins should be able to see all group members.