Merge pull request #303 from gena-m/master

fixed friction
fixed b2Distance
Merge pull request #304 from gena-m/master

added memory and GC state labels
fixed test compilation
Update AssemblyInfo.cs description
Add box2d tests to fix compile errors
Merge pull request #305 from mono/master

Update AssemblyInfo.cs description
removed files that we don't use or need.
fix in RayCast and EdgeShapes tests
Fix WindowsDX template to output correct name instead of over writing WindowsGL.
changed tests to use update() instead of their own tick
Add support to load native plist document
Merge branch 'master' of https://github.com/mono/cocos2d-xna
Merge remote-tracking branch 'upstream/master'
b2CircleShape RayCast fix
Collision filter fix
(Theo Jansen's test, CollisionFiltering test)
Merge pull request #308 from denis-minchuk/master

b2CircleShape RayCast fix, Collision filter fix, fix in RayCast and EdgeShapes tests
Merge pull request #306 from Cocos2DXNA/TESTS_USE_SCHEDULEUPDATE

changed tests to use update() instead of their own tick
Merge pull request #307 from mono/master

Fix WindowsDX template and add support to load native plist document
fix for creation of proxies during poly test where an index out of bounds exception can occur.
Add Frames property, ths[string] indexer and fixed typo.