* stable-2.15:
Fix autocomplete on android
Basic documentation of WIP in intro-user.txt
Revert "PolyGerrit: Add support for showing or hiding the star from the change list"
Evaluate streams in GroupIncludeCacheImpl while the db is still open
Fix group names prefixed with uuid-*
Change-Id: I6d70d062a17dfbe23d2b4d5e2a3b6f38988392ef