Updated CartridgeDetail Screen
GPS Check

- Added a GPS check before starting cartridge
- Redesign of NavigationBar
Minor bugfixes

- Correct typo in „Tasks“
- Changed color of BackBarItem
- Changed namespace of main
Merge branch 'CartridgeDetail'
Included Gettext

- Included Gettext for translations of strings
- Added GNU.Gettext.dll to references
- Replaced WF.Player.iPhone with WF.Player.iOS in namespace
- Moved all Screen classes to subdirectory
- Created german translation
Merge branch 'Gettext'
Added usage of iOS settings dialog

- Added files for iOS settings dialog
- Added conversion in different coordinate formats
Merge branch 'Settings'
Added Google Map instead of Apple Map
Updated zoom factor from user settings
Moved from Gettext to Vernacular

- Moved, because the dll of Gettext implementation didn’t run on device
Merge branch 'Vernacular' into Maps
Removed some bugs

- Removed some bugs (Poster instead Icon)
- Changed MapView
Removed some bugs
Text alignment

- Inserted setting for text alignment
- Inserted PlayAlertSound
Redesigned ShowScreen and RemoveScreen

- Redesigned ShowScreen and RemoveScreen without NavigationController
- Added heading of map
Changed parts of the map

- Added icons for the map
- Added map for lists
- Added new types of maps
Created an own enum file with own ScreenType

- Create Enum.cs
- Create own ScreenType for iOS and Android
- Localized strings for map
Changed WF.Player.Core submodule
Merge branch 'Maps'