Merge branch 'develop'

* develop:
  Builds 0.1.2 release.
  Fixes #2 jshint fail caused by class-keyword usage.
Merge branch 'develop'

* develop:
  Fixes #2 replacing all class-occurrences with 'clas'.
Merge branch 'develop'

* develop:
  Closes #1 and replaces jQuery with $ in closure.
Adds branching model descripton in contributing.
Adds changelog for all releases of library.
Fixes #1 of replacing last usages of jQuery.
Merge branch 'feature/dollarjquery' into develop

* feature/dollarjquery:
  Fixes #1 of replacing last usages of jQuery.