Update to lein 2

Note that this changes the deploy command from

lein run :deploy --start --name mycluster --release {release version}

to

lein deploy-storm --start --name mycluster --release {release version}
Merge branch 'master' of github.com:nathanmarz/storm-deploy

Conflicts:
	project.clj
Merge pull request #17 from travis/master

Update to lein 2