Removes angular-cookies from project
Removes angular-scenario from project and karma e2e config
Updates Angular to v1.2.16 and dependent packages

Dependent packages updated along with Angular:
- Angular Bootstrap to v0.10.0
- Angular UI Router to v0.2.10
- Angular Mocks to v1.2.16
- Bootstrap to v3.0.3
Adds package angular-bootstrap-nav-tree to project
Adds angular-animate to project
Adds tree-navigation demo to test-service page