(#19) Fix the portal_assembler spec tests.
(#19) Clean up widget area spec test.
Merge branch 'feature/19-fix-broken-specs-in-portal-assembler'

* feature/19-fix-broken-specs-in-portal-assembler:
  (#19) Clean up widget area spec test.
  (#19) Fix the portal_assembler spec tests.
(#16) Optimize widget loader
  * use FileResourceProvider instead of plain HTTP
  * use one-off directive for widget instantiation instead of ng-repeat and ng-class which set watchers
Merge branch 'feature/16-optimize-widget-loader'

* feature/16-optimize-widget-loader:
  (#16) Optimize widget loader   * use FileResourceProvider instead of plain HTTP   * use one-off directive for widget instantiation instead of ng-repeat and ng-class which set watchers