Update version-clj to 0.2.1. Close #10.
Update compojure to 1.2.1. Close #11.
Improve error messages.
Add hiccup to project.clj. Up to this point it was a dependency of ring but it should be direct dependency for Hatnik.
Implement github pull request action.
Add support for github pull request to worker.
Remove artifact-input from add_action.cljs.
Remove action-type component from add_action.cljs.
Remove mail component from add_action.cljs.
Remove github-issue component from add_action.cljs.