Merge pull request #15 from Firefly74940/DebugWindows

Debug windows
Moved community project to 2.1 : http://www.neoaxis.com/news/neoaxis_3d_engine_2_1_released
Aditional projects has been moved back to toolsVersion 4 instead of 12
One typo has been corrected inside character.cs : http://www.neoaxis.com/forum/viewtopic.php?f=4&t=8621
Added to git ignor :
Project/Bin/DebugWindow.dll
Project/Bin/DebugWindow.pdb
Uncommented code for Joystick slider support
Merge branch '2.1' of https://github.com/Firefly74940/NeoAxisCommunity into 2.1