Fixing compile error. It seems like these should be fabs instead of abs anyway...
D3D_FEATURE_LEVEL_11_2 isn't actually a thing. The D3D11.2 features are checked explicitly instead of using a feature level.
Fixing warnings about locals shadowing others of the same name. At least one of these was an actual bug.
Merge pull request #190 from MikePopoloski/master

Fixing a few issues I ran into
Merge pull request #189 from dariomanesku/master

Imgui updates.
shaderc: Added error message with input source file is not found.
Fixed build.
Removed redundant NOMINMAX define as it's now defined in 'bx/platform.h'.