Merge pull request #1014 from kwhatmough/next

Adds purged folder names to .gitignore to help avoid carrying old histor...
Merge pull request #1017 from seanpaultaylor/master

GamePlay v1.7.0 - merged master to next
#1026
Fix for multi-touch on mobile devices.
So far tested on BB10.  Checking in so I can deploy to iPhone and Android.
Replacing a magic number with a constant.
Fixed issue with cloning certain models that have mesh skins.
Merge pull request #1031 from sgrenier/master

Fixed cloning issue in MeshSkin
Merge pull request #1032 from blackberry/master

Merging master fixes back into next
Merge branch 'master' of https://github.com/blackberry/GamePlay
Merge pull request #1034 from ablake/master

Multi-touch fix.
Fix TextBox documentation
Merge pull request #1037 from Pixelized/fix-text-box-documentation

Fix TextBox documentation
Merge pull request #1038 from blackberry/master

Merge master to next
Fix Linux Debug build
Merge pull request #1040 from stelth/master

Fix Linux debug build.
Merge pull request #1041 from blackberry/master

Merged master to next
fallback to OpenGL 2.0 on Windows if 3.0 is not supported
tabs converted to spaces
fixed window creation when OpenGL 2.0 is used
Add an InputMode to TextBox, including Password
Add a password-mode textbox to the sample browser