Merge branch 'stable-2.9'
* stable-2.9:
Add support for JCE (Java Cryptography Extension) ciphers
Buck: Respect gerrit-gwtui-common dependency for GWT plugins
More improvements in the change info block UI
Add a section about the submit type to the project owner guide
Fix: Wrong exception mapping in ReceiveCommmits
Fix REST example for removing included groups from a group
rest-api-groups.txt: Correct input examples to use [] for lists
Document project options
Allow service users to access REST API if auth.gitBasicAuth = true
Improve documentation about project creation
Make singleusergroup a core plugin
Rename 'Change Submit Action' in documentation to 'Submit Type'
ProjectInfoScreen: Display submit type and content merge next to each other
Add guide for project owners
Improve description of the auth.gitBasicAuth parameter
Conflicts:
Documentation/config-gerrit.txt
Documentation/rest-api-groups.txt
gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritResources.java
gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectInfoScreen.java
Change-Id: I269f8f1395c352d8d90ba4f770a19296a50967de
