Dump format on error.
Removed PlatformSetMasterVolume().
XAudio no longer uses MasterVoice.SetVolume.
Added SoundEffectInstance._isXAct.
SoundEffectInstancePool now supports XAct sound instances.
We no longer apply SoundEffect.MasterVolume on XAct sound instances.
Removed volume clamps in XActSound.
XActSound now applies the category volumes.
AudioCategory volume now scales the track volumes.
Fixed leaked subscription AndroidGameActivity.Paused/Resumed inside AndroidGamePlatform ctor.
Fix for Guide.IsVisible for WP8
SwapChainRenderTarget  leak resources.

This one leak windowHandle resources. ('User objects' at Task Manager).
After 10000 or so the App crash.

`SharpDX.Utilities.Dispose()` can't be used on `_swapChain`, maybe
remove `readonly` modifier?
Reduce Garbage on TouchPanelState.GetState()

-Reduce the garbage generated by  TouchPanelState.GetState() .
GetState()  was generating garbage at a constant rate of 12Bytes/Frame.
Remove readonly & call SharpDX.Utilities.Dispose() on _swapChain
Merge pull request #2901 from nkast/SwapChainRenderTarget_UserOBjectsLeak

SwapChainRenderTarget  leak resources
Merge pull request #2902 from nkast/tncTouchCollectionEmpty

Reduce Garbage on TouchPanelState.GetState()
Adding Debug Display String (no quotes) To all major math types.  Complex types have labels to help guide the user to understand the data quickly at a glance.
Updated a few missing parens and  Annotations.
Add XML docs for a few items in GameComponentCollection. Not sure if the second sentence in ClearItems is needed or is obvious.
Added XML docs for several items in Rectangle.
Fix typo in pipeline tool page.
Updated welcome.md

To include instructions on how to edit the documentation.
Merge pull request #2907 from craftworkgames/develop

Updated welcome.md