add running of bower install to travis ci
add running of bower install to travis ci

EWhite613/ember-frost-core,ciena-frost/ember-frost-core,ciena-frost/ember-frost-core,dafortin/ember-frost-core,EWhite613/ember-frost-core,dafortin/ember-frost-core,dafortin/ember-frost-core,EWhite613/ember-frost-core,ciena-frost/ember-frost-core