Added the new APIs to the docs

Pull the latest skia and depot_tools

Android also requires that the stencil buffer be cleared

Updated the sample's version number

The Table(a,r,g,b) color filter may have null in some of the tables.

Process the correct solution file for Windows

Use MacOS deployment target 10.8 as there seems to be a bug on 10.7 a…

…nd certain versions of Xcode

See https://bugs.chromium.org/p/chromium/issues/detail?id=620127 for more information

Make sure we copy from the buffer into the stream

Merge branch 'master' into gpu-support

Make sure to marshal the SKMatrix as a reference closes mono#142