updated to clojurescript.test 0.1.0
updated to cljsbuild 0.3.4
downgraded cljs to 1847
merge with tutorial-20
update clojurescript.test to 0.2.1
update cljs to 0.0-2069
update shoreleave to 0.3.1
remove unused namespace
Merge branch 'tutorial-21' into tutorial-20