Merge database branch into development branch

Add: AppSettings.java (to store settings of application) Add: MapInfo.java (to store limited Information about CommunityMaps on SQL Server) Add: MapType.java (ENUM for Type of map - relevant for GsonHandler Class) Add: PlayerAccount.java (Class to store details about player account) Add: playerAccount.json (Player Account info stored locally encrypted) Add: playerStatsLocal.json (to store player statistics for local account) Add: appSettings.json (to store application settings in persistence) Add: Exceptions Add: Parser.java Add: CryptoUtils Add: Hash Class