Completing GLES 3.0 language parser

Added new matrix and sampler types in
glslang parsed files, along with related
code and new types in the C++ code.

Change-Id: Id70c73fac04d000d508236bc9bf1b39a46beda6f
Reviewed-on: https://swiftshader-review.googlesource.com/2826
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>