tokumx-1.4.0-pre-
Merge branch 'bugfixes/tokumx-1.3'
misc buildbot config fixes:

- limit builds on lex3
- justice is dead
- clean up backup plugin dir before each build
- add auth tests
- trying out irc bot
- don't trigger driver tests an extra time nightly
- don't build on vms
added 1.3 branch to buildbot, removed 1.0 and 1.1 branches
removed buildbot config specific to 1.0 and 1.1
fix syntax in buildbot config
Merge branch 'bugfixes/tokumx-1.3'
Merge branch 'bugfixes/tokumx-1.3'
Merge branch 'bugfixes/tokumx-1.3'

Conflicts:
	src/mongo/util/version.cpp
Merge branch 'bugfixes/tokumx-1.3'
Merge branch 'bugfixes/tokumx-1.3'
Merge branch 'bugfixes/tokumx-1.3'
fix saving of key with a NUL character at the end #652

Just chop off the last character as long as it's a NUL.

fixes #652
Merge branch 'bugfixes/tokumx-1.3'
added a case to catch retryable exceptions in distlock #457
Merge branch 'bugfixes/tokumx-1.3'
Die
disabled aggregateCursor testing until we implement it #648
Merge branch 'bugfixes/tokumx-1.3'
clarified language of log about resuming mongo2toku #644