Merge pull request #669 from dgough/next

Fixed the text layout of the TextureTest
Fixes #655. Also fixes setVisible(false) for 2D controls.
Merge pull request #672 from kwhatmough/next

Fixes #655. Also fixes setVisible(false) for 2D controls.
Fixes #670.
Merge pull request #673 from kwhatmough/next

Fixes #670.
Minor whitespace change for appearances. No effect on functionality.
Fixes #671: Implements missing Matrix methods for billboard and reflection.
Merge pull request #674 from kwhatmough/next

Fixes #671 (Matrix createBillboard and createReflection)
Fixes #619.
Merge pull request #676 from kwhatmough/next

Fixes #619.
Added an image to the main README.md