Moved OES_texture_float_linear and half_float_linear to draft status. Fixed numbering and dating problems in ANGLE_instanced_arrays and EXT_sRGB extensions.
Merge pull request #223 from kenrussell/linear

Moved OES_texture_float_linear and half_float_linear to draft status. Fi...
Adds checkAreaInAndOut and related functions.
Adds setupQuad
Adds a viewport rendering test.

This test tests rendering with different viewports
including viewports that extend outside the
drawing area
Merge pull request #225 from greggman/viewport-tests

Add a viewport rendering test.