Service renames&updates, added new & updated states, links, backend, ...

- Renamed NewsService to NewsSrvc
- Renamed AuthService to AuthSrvc
- Renamed UserService to UserSrvc
- Renamed UtilService to UtilSrvc
- Renamed unversity-profile partial filename
- Turned the state media to an abstract state
- Added childrens states under the abstract parent state media
- Added promise/resolve to the media.news state
- Added getAll fn to NewsSrvc
- Since there are state additions and changes, navigation link to the media had gone wrong; fixed.
- Updated [recent medias more [inset media] button links

- Added paginate method to the Core Repository and its respective interfaces
- Updated NewsController to paginate the listing of the resource; injected App instance.