Merge pull request #17 from fredrikbryntesson/master

Pyramid generation shader
Merge pull request #19 from fredrikbryntesson/master

level * 2.0 changed to pow(level,2.0).
Merge pull request #20 from fredrikbryntesson/master

Optimized shaders.
Added 'this' to clarify
Added draw function with map as parameter
Changed name of default map variable and now creating surfaces with the context
Fixed non working code
Merge branch 'master' of https://github.com/cogneco/ooc-kean
Merge pull request #21 from EmilWestergren/master

Added draw function with map as parameter to GpuCanvas, clarified some code and fixed error
Fixed a few leaks in the SDK.
Merge branch 'master' of https://github.com/cogneco/ooc-kean
RasterYuv420Semiplanar openBin leak fixed.
Added hardcoded special solution for 1080p
Grouped uniforms
Added getPyramidMap function
Removed setting shader settings from Canvas class
Removed space
Added pyramid generation shader and getPyramidMap function
Removed space
Removed debug code and empty space