* stable-2.15:
BranchApi: Add missing throws declaration on NotImplemented#reflog
FormatUtil: Fix Math#round() truncation error flagged by error-prone
ReflogIT: Add test coverage for reflog permissions
ChangeIT: Move reflog test to ReflogIT
ChangeIT: Fix and expand reflog test
BranchApi: Add method to get the branch's reflog
GetReflog: Move ReflogEntryInfo to a separate class in extension API
Fix http_archive rule in WORKSPACE
ConfigInfoImpl: Return raw byte value for effective value
TransferConfig: Move getEffectiveMaxObjectSizeLimit to ProjectState
ProjectIT: Factor out a method to set the max object size limit
Documentation: linux-quickstart - include Java 8 requirement
Documentation: Include Java 8 requirement in installation notes
Documentation: Remove 'install-quick' page in favour of 'linux-quickstart'
Change-Id: I895790a8b2f9e8439e91c15ba4ee9a5a14a4ee94