Handle multiple codebases in Grid and Transposed Grid views
Merge branch 'et_setup_version' of git://github.com/jgonzalezmendez/buildbot
Merge branch 'typos' of git://github.com/vrutsky/buildbot
Merge branch 'multiple_codebases_grids_view' of git://github.com/vrutsky/buildbot
change tests to correspond
Merge branch 'pull639'
Merge branch '2375fix' of git://github.com/ShriramK/buildbot
pyflakes
use self.patch() to override open() in unit test

Using TestCase.patch() method to override buildin open() in a unit test is
much cleaner.
Added basic HTTP auth for /change_hook/github
Merge branch 'config-unit-tests' of git://github.com/elmirjagudin/buildbot
fix typo
Output for user Command-line Tool was fixed
don't try to detect bug1810 more than once
fix pyflakes
correct fix for pyflakes
Unnecessary code removed
check if valid base dir on 'buildslave upgrade-slave'

Check if we got a valid slave base dir on 'buildslave upgrade-slave'
cli command. If not, print error message and exit.
Merge branch 'upgrade-slave-chk-basedir' of git://github.com/elmirjagudin/buildbot
Added information about ``change_hook_auth`` option