improve(gulp): Applies latest updates to gulpfile:
 - fix of gulp requirejs
 - adds error handlers to gulp tasks
 - disables csso minification and uses native sass instead
updated angular to 1.2.7 (with ui.router)
improve(ui.router): Gets rid of routes.js - state should be defined on module level.
Merge remote-tracking branch 'origin/feature/angular-update' into feature/angular-update
fix(gulp requirejs): uses it right
style(requirejs config): disposes obsolete angular mocks link in config-require.js
fix(jasmine matchers): disposes jasmine matchers as these are not working with latest karma-jasmine