Initial commit to add default .gitIgnore and .gitAttribute files.
Assignment #1
Added QuitButton, AboutWindow.xaml, Map.cs, MapTile.cs, MapTileType.cs
edited newmapwindow.cs
finished Assignment #1
Added MapTiles and edited App.xaml.cs
Fixed NewMapWindow.xaml.cs
New functions:
Create new Map with MapTileImages.
Edit Map an draw new Maptiles
New Assignment
SaveFileDialog mostly done. Moe work needed
Save As function implemented.

New MenuItems added.
New Menu Extras
fixed command "About"

Added MenuItem "Open".
added Menuitem Open
Open will show a messagebox.
fixed "Open" Commands.
Some new stuff
Added method "Clear Map"

Open Map now works
new commit....nothing changed
Merge branch 'Assignment#4'
edited Menus
added Menu "Bearbeiten"