chore(dependecies): update angular deps to 1.0.7
feat(ngdocs): add ngdocs task

- adds grunt-ngdocs with github endpoint as dev dependency
- adds doc folder with sections for api, tutorial and guide
- adds additional html and css for generated ngdocs site
- update src titleService with propery comments to show how docs can be generated

Closes #13
feat(): add automatic doc update script
fix grunt dependency
Merge pull request #18 from PascalPrecht/grunt-ngdocs

Grunt ngdocs