Parameterize ForceScheduler button name
Documented the 'project' paramter to P4Source.
Changed the description about project parameter
On Windows, os.path.normpath  converts forward slashes to backward slashes.
Support an empty SVN password
require pep8-1.4.6 temporarily, since the new version is a lot whinier
Fix documentation about update Gerrit Status

There is no status variable in gerritStartCB

message += status.getURLForThing(build) + "\n"
exceptions.NameError: global name 'status' is not defined
documentation for P4Source, project paramter upated
Merge madazone/buildbot:fix-perforce-workdir-path (PR #1116)

+pyflakes
Merge alagoutte/buildbot:fix (PR #1118)
Add root-relative links to JSON help
remove initctl link from Dockerfile
Further change to support empty SVN passwords.
Add unit test for empty SVN password.
fix more pyflakes discovered by pyflakes-0.8.1
Merge kporwal/buildbot:fix-2715 (PR #1099)
Merge madazone/buildbot:custom-forcescheduler-button-name (PR #1091)
add documentation for Force Scheduler's 'buttonName' argument
Merge santegoeds/buildbot:support-empty-svn-password (PR #1117)