add Pierre to MAINTAINERS.txt
Include docs under GPLv2.

Fixes #2470.  The docs were previously under an unspecified
free-with-copyright clause, which appears to allow such relicensing.
Anyway, Warner is OK with the change.
Tests on windows was fixed
unit test 'buildbot --verbose' cli option

Test that '--verbose' option for buildbot command enables
logging to stderr.
Windows service was fixed
Remove redundant space
Typo: "intechangeably"
Remove redundant brackets
Add dot at the end of sentence
Remove "Callbacks" capitalization
Fix indent
Merge branch 'tests_fix' of git://github.com/Ratio2/buildbot
Merge branch 'buildbot-cli-test' of git://github.com/elmirjagudin/buildbot
Merge branch 'typos' of git://github.com/vrutsky/buildbot
Merge branch 'windows_service_fix' of git://github.com/Ratio2/buildbot