General fixes available in this release:
- Fixed a recent regression where GLSL ES 1.00 shaders with variable names like isampler2D failed to compile.
- Updated ANGLE shader translator with various fixes that address possible failure to compile shaders on Linux.
- We now crash the emulator if the basic framebuffer blit shader fails to compile, in order to keep track of the phenomenon.
- We now track which extended control pane was selected by the user.