Updates to Clojure 1.5.0 final
Merge pull request #39 from sl4m/clojure-1-5

Updates to Clojure 1.5.0 final
Update deploy script to get lein1 deps and omit GH
Bump koan-engine for bugfix

Thanks to Manas Karekar for reporting.
Updated README
Merge pull request #43 from manaskarekar/cl-koans-readme

Updated README