Merge branch 'gh74' into 3.x
Merge branch 'gh78' into 3.x
Merge branch 'gh76' into 3.x
fix for comparison between signed and unsigned
Refs: #30 - modified run-all.sh to run all tests
Merge branch '3.x' of https://github.com/codership/galera into 3.x
Small syntax cleanup in pc.recovery description.
Ref #18, reintroduced toctree elements to header pages.
Ref #61: Updates to Admin Guide
Merge branch '3.x' of https://github.com/codership/galera into 3.x

Merged with doc updates.
Merge branch 'gh73' into 3.x
Misc chores:
1) fixed logic to disable building RPMs
2) corrected potentially misleading info message about using CRC-32C for message chcecksums