Bug 880001 - Fix mozdevice sut_push.py test;r=wlach

Always wait for the full, multiple-line push command, since
sometimes it is received in one part and sometimes in two.
Bug 886540 - Re-enable mozdevice unit tests;r=jhammel
Bug 886882 - Bump mozdevice to 0.27
Bug 886608 - Add adb forward, remount and devices wrappers to dmADB, r=wlach
Update sphinx docs for newly added dmADB methods
Bug 885224 - Fixes, improvements, additions to mozfile unit tests;r=wlach
Bug 888378 - Fix dmADB's reboot method;r=ahal
Bug 888756 - Mozinstall's get_binary method for Mac should raise InvalidBinary error, r=ahal
Bug 796017 - mozinstall needs tests;r=jhammel
damn merge commmits, boo
Merge branch 'master' of github.com:mozilla/mozbase
Bug 886000 - remove pre-python 2.6 ManifestDestiny hack for relpath;r=ahal
Bug 868574 - devicemanager.mkDirs does not work on root's children; r=mcote
Bug 868505 - [mozdevice] DeviceManagerSUT.fileExists(path) throws unhelpful exception if path is directory or does not exist; r=mcote
Bug 888741 - mozinstall should use mozfile.rmtree;r=jhammel