Improve message logging in the receive pack

Change-Id: I93dcdc72bfae0e0fac9a0f4872537a43bbd73d36
Check for refs/ not refs/heads/ when updating a ref

Change-Id: I19f9507fdb859902a6df96f1960433a91378e400
Tweak diffstat css

Change-Id: I0f6551bb7ca2f9b8908e95359b375c23daeab380
Fix incorrect mappings for some iconic classes

Change-Id: Ieeb7159768453a17b01b8e2a59289b256c6c3492
Remove unused issues test repository from test suite

Change-Id: Ib63aeefdffa5f747d76bc221a722bc6c2e5f58c4