rename daemon to worker
move former top-level spec/gem/etc underneath worker
mv rubocop config under worker
adjusting paths in rspec and rubocop to new location
updating default paths in soon-to-be-deprecated plugins
adjusting default configs for soon-to-be-deprecated plugins
updating paths in ui tests
rename multitenant to master
updating relative path to worker in provisioner master
update changelog
Merge pull request #296 from continuuity/feature/provisioner-reorganize

Feature/provisioner reorganize
shouldn't be doing timezone conversion.
fix comment and remove unused line.
remove pst timezone assumption in clusters instance test.
Merge pull request #307 from continuuity/feature/fix-timezone-in-test

shouldn't be doing timezone conversion.
Merge remote-tracking branch 'origin/develop' into feature/use-tenant-name-externally