Rename glslangValidator to glslang and adds a glslangValidator symlink to the build and install directories. Closes #47.
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27966 e7fa87d3-cd2b-0410-9028-fcbf551c1848