Added missing texture reload for DirectX
Removed non-WP implementation as it isn't needed
Changed iOS Twitter API to use UIImage

Changed iOS Twitter API to use UIImage instead of string
Fixed iOS Guide crash bug

Fixed the bug where using any GamerServices.Guide functionality on iOS
caused the game to crash
Fixed volume on WP8
Merge pull request #2736 from Nezz/wpvolume

Fixed music volume on WP8
Merge pull request #2733 from picobots/develop

Changed iOS Twitter API to use UIImage
Merge pull request #2731 from Nezz/directxtexturereload

Added missing texture reload for DirectX
Missing : in ToString.
Implement CurrentDisplayMode for Windows directx.

Fixes #2619
Implement SupportedDisplayModes for DirectX
Merge pull request #2738 from danzel/current-display-mode

GraphicsAdapter.CurrentDisplayMode for windows directx
Merge pull request #2739 from danzel/supported-display-modes

Implement SupportedDisplayModes for DirectX
Create pipeline.md
Update config.xml

Linked the new pipeline docs.
Initial pass at adding MGFX processing tests.
Added support to MGFX parser for ColorWriteEnable = true/false.
Merge pull request #2744 from SickheadGames/colorwrite

MGFX Fix + Tests
We now build into its own output path.  Added post build copy.
Cleanup a few redundant strings.
Fixed product name, company name, and copyright.
Tools now all install into a common folder.
Added Pipeline Tool to install.
Added Pipeline Tool shortcut.