adding notifications
updating gemspec version
fixing notifications
worker notification goes to the right route now
bumping gemspec version
Merge remote-tracking branch 'origin/master' into develop

Conflicts:
	crowdflower.gemspec
	lib/crowdflower/worker.rb
adds message param to ban, deban, and deflag worker methods to make them work properly
removes message param from deban method
changes message to reason on ban and deflag methods
adds persist to flag method
reverts ban method back; to be removed on separate branch
Api Hook
Merge remote-tracking branch 'dolores/bug/fix_worker_methods'