Update Angularjs version to 1.2.0 release

Update Angularjs from 1.2.0-rc.3 to 1.2.0.
Convert new ingest form to Angularjs
Ingest form implemented with Angularjs
Ingest form step 2
Reset new ingest model

Reset new ingest model if the navigations doesn't come from step 2.
Merge pull request #12 from juanluisrp/ingest-form-angularjs

Ingest form angularjs