Add unit tests for EW_ConfigScopeHints_Helper_Data::getOverridenLevels()
Add travis config files
Merge remote-tracking branch 'origin/feature/unit-tests' into develop

* origin/feature/unit-tests:
  Add travis config files
  Add unit tests for EW_ConfigScopeHints_Helper_Data::getOverridenLevels()
Update .travis.yml to include build branch in modman command
Merge branch 'develop'

* develop:
  Update .travis.yml to include build branch in modman command
  Add travis config files
  Add unit tests for EW_ConfigScopeHints_Helper_Data::getOverridenLevels()