* stable-3.1:
Set version to 3.1.1-SNAPSHOT
Set version to 3.1.0
Upgrade JGit to latest master
Upgrade gitiles-servlet and blame-cache to 0.3-6
Add sshd-common to lib/nongoogle_test.sh
Increase 'execution.defaultThreadPoolSize' default and min to 2
Upgrade gitiles-servlet and blame-cache to 0.2-11
Fix formatting of submission IDs
LazyPostReceiveHookChain: Simplify check for pack size
Update highlight.js
ChangeNotesParser: Skip parsing meta data of deleted patch sets
Add a --header-box-shadow theme css variable
Don't allow "show 2 more" reviewers
Bazel: Expedite the LC process
Update Jgit to latest master revision
Move tooltip to below the button for change detail actions
LazyPostReceiveHookChain: Catch IllegalStateException on ReceivePack.getPackSize
Change-Id: I8e118de48a692ef60171d4f4d26f69bafb330c70