Remove misc ununsed files.
Update gitignore.
Update test configuration.
Update and make build tasks simpler.
Add a demo index.html.
Add specs and update directives and services.
Add css with img to test base64 encoding.
Update gitignore.
Update gitignore.
Fix watch grunt task to watch js in the base app dir.
Remove dist unused config property.
Fix directives template dirs.
Add $httpBackend mocks.