Show "loading" and "rendering" information for user
Add few tests for main controller using fake local backend
Add tests for config validator
Add more tests for filters
Load html templates for directives using requirejs

Problem: unit tests can't load html templates
Cause: karma serves files from address base/.. requirejs is configured to use this prefix while anjularjs is not
Fix: load templates using requirejs. Good side-effect is that templates will be inlined during r.js build
Update dist
Add tests for directives