Fix 2d transparent annotation after depth peeling

Depth peeling was leaving blending off. 2D anno expects it to be on.

Change-Id: I90ccd2d19b294cef639e5a6c1e1191b07c7fb17d
make sure glsl extensions are requested at the start of a shader

Change-Id: Ib225dde13078726b8d7a989345c16cf7244d4b76
Fixes for wrong case in include file name

Change-Id: I23740eea54093433b1b4bf67ce9d2f38dd6e9164
Merge topic 'case_fixes' into master

2e1c54f6 Fixes for wrong case in include file name
Merge topic 'logowidget' into master

19de6f82 Fix 2d transparent annotation after depth peeling
Merge topic 'shader_extensions' into master

bf48e6f1 make sure glsl extensions are requested at the start of a shader