JSHint
(#2) set up a basic test infrastructure with mocha
Add API doc for mktree, requireConfig
(#2) Add specs for requireConfig, improve mktree spec
Add API doc for laxarPaths
(#2) Refactor WidgetCollector to be tested more easily
(#2) Add tests for laxarPaths
(#2) run grunt tasks during tests
(#2) Clean up tmp files before creating them again
(#2) test laxar_dox
(#2) test fixtures und widget_json_merger spec
(#2) remove unnecessary files
(#2) test fixtues and css_merger spec
(#2) fixtures, tests for portal_angular_dependencies
(#2) Changelog
Merge branch 'feature/2-add-tests'

* feature/2-add-tests:
  (#2) Changelog
  (#2) fixtures, tests for portal_angular_dependencies
  (#2) test fixtues and css_merger spec
  (#2) remove unnecessary files
  (#2) test fixtures und widget_json_merger spec
  (#2) test laxar_dox
  (#2) Clean up tmp files before creating them again
  (#2) run grunt tasks during tests
  (#2) Add tests for laxarPaths
  (#2) Refactor WidgetCollector to be tested more easily
  Add API doc for laxarPaths
  (#2) Add specs for requireConfig, improve mktree spec
  Add API doc for mktree, requireConfig
  (#2) set up a basic test infrastructure with mocha
  JSHint