Add optional start callback to GerritStatusPush
Add start callback to GerritStatusPush docs

Documentation updated, and mentioned in release notes.
JSONStringDownload: small doc formatting.
Fix formatting and the IntParameter and DebLintian examples
Merge branch 'parametersdoc' of git://github.com/pepsiman/buildbot into buildbot-0.8.7
Merge branch 'patch-4' of git://github.com/benallard/buildbot into buildbot-0.8.7
Merge pull request #499 from benallard/patch-4

JSONStringDownload: small doc formatting.
Revert "test_process_buildstep: interrupt does not release locks"

This reverts commit a87e691d2f6fca7f2e08af5d3849dffee9fe37e5.
See gh-503.
Refactor code for clobberOnFailure. Don't clobber() for this case, use independent functions
To get revision number use svn info instead of svnversion

Fixes #167
Add CopyDirectory build step
Add describe to all slave build steps
Remove use of deprecated twisted.web.error.NoResource

This is has been moved to twisted.web.resource since at least twisted-0.9.0.
Merge branch 'buildbot-0.8.7'
Fix up how default_props works with ForceScheduler
Adjust CSS for ForceScheduler
Fix BooleanParameter default
Fix InheritBuildParameter
Merge branch 'fix-default-with-forcesched' of git://github.com/jaredgrubb/buildbot into buildbot-0.8.7
Merge branch 'copydirectory' of git://github.com/pepsiman/buildbot
Merge branch '167' of git://github.com/in3xes/buildbot