Merge branch 'stable-2.10'

* stable-2.10:
  Don't show 'Add Me' button for change owner or existing reviewers
  Clarify behaviour of the 'Remove Reviewer' permission for change owners
  Include all command arguments in SSH log entry
  Honor expireAfterWrite in the H2CacheImpl
  ACL: Fix transitions check & a '1' in RefName
  Fix exception when clicking on binary file without being signed in
  Use current time for cherry picked commits
  Enable scrollbars for "Edit Commit Message" TextArea
  Only create All-Projects ACL once
  Fix inconsistent behaviour when adding reviewers

Conflicts:
	gerrit-cache-h2/src/main/java/com/google/gerrit/server/cache/h2/H2CacheFactory.java
	gerrit-gwtui/src/main/java/com/google/gerrit/client/change/Reviewers.java
	gerrit-server/src/main/java/com/google/gerrit/server/change/PostReviewers.java

Change-Id: I120ce5cc0ac117673c36d96cad301c4ac0982915