in-time commit
Merge remote-tracking branch 'origin/Development' into maaak
Refactoring and added API for Photos
Refactoring AlbumModel
Refactoring AlbumModel

UserID   =>   OwnerID
FIX: SecureService now checks if user is an owner of album
HOTFIX
Merge remote-tracking branch 'origin/Development' into maaak
AlbumService CreateAlbum methods:

added check if user already has an album with the same name.
Added MakeUserGod in UserService
HOTFIX
Added OwnerID in GroupModel
Added a few new Exceptions
Added 2 methods for getting Groups
HOTFIX
Added GroupService
Including GroupService to project
HOTFIX
Adder RemoveUser and Delete methods to GroupService
Refactoring