MercurialExtractor: correctly calculate GCA between working directory and upstream
MercurialExtractor: report hg errors
MercurialExtractor: fall back to working directory diff if no upstream is configured
Merge branch 'BuildSlaveAttachedTests' of git://github.com/jaredgrubb/buildbot
Accept a filter callable in BuilderStatus's generateFinishedBuilds
Control build search depth with a ?maxsearch parameter
Add a getProperties method to Build remote object
Increase the DB lengths for changes.comments and buildset_properties.property_value

The current 1024 char restrictions on these columns occasionally cause issues on a MySQL backend.
Fixed Robocopy step status

Robocopy actually returns a combination of flags to indicate
success/warning/failure status.
Merge branch 'db_lengths' of git://github.com/andrewjcg/buildbot
Add release notes.  Fixes #2367.
fix migration 023 on postgres
Support filtering builds and build requests in the WebStatus builder view via property parameters
Merge branch 'create-slave-cli' of git://github.com/elmirjagudin/buildbot
Merge branch 'mercurialextractor' of git://github.com/bcully/buildbot
don't use deprecated BaseException.message

This fixes following deprecation warning:

buildslave/scripts/create_slave.py:215: DeprecationWarning:
        BaseException.message has been deprecated as of Python 2.6
Fix minor typo in INVALID EMAIL log msg
Merge branch 'webstatus_property_filter' of git://github.com/andrewjcg/buildbot
Merge pull request #741 from ehershey/patch-1

Fix minor typo in INVALID EMAIL log msg
Merge branch 'remote_build_props' of git://github.com/andrewjcg/buildbot