- removed unused lib it is now fetched with bower
- integrate coffee script

Read some intresting articles about coffee script and i want to try it out.
So added coffee-script dependency with npm to package.json. Integrate coffee
script compile task to npm install. Perform npm install once when execute
sbt run command See Build.scala and build.sbt.
Added coffee folder to public/js/bankapp/ and implement the OverviewController
with coffee script.