Fixed SMAA on GLES

Package version 0.1.7

Menu items

Fixed 927818 (Xbox flickering artifacts with HDR/AO)

Fixed fog issues with AO

Workaround for AO flickering with recent Nvidia drivers

Improved waveform performances on consoles

Will need to rewrite this at some point, it uses quite a naive approach

Merge pull request Unity-Technologies#206 from huangdonghai/v1

fix dx9 shader model 3 linear rendering DoF bug