add profiles.clj
move dev profile to profiles.clj
update cljs to 2069, cljsbuild to 1.0.0, piggiebak to 0.1.2, ring to 1.2.1, clojurescript.tes to 0.2.1
update cljs to r2069, cljsbuild to 1.0.0 and clojurescript.test to 0.2.1
correct protocol extension
merge from tutorial-20
merge from tutorial-21
merge from origin
remove duplicates and update deps and plugins