Changes in this release:

• Generate vector constructions more efficiently when sizes match
• Skip identity conversions for 8-bit and 16-bit types
• Add cmake aliases for public libraries
• Support ARM extended matrix layout
• Emit debug info for buffer references
• Add support for OpExtInstWithForwardRefsKHR
• Generate SPV_EXT_replicated_compisites when requested by pragma
• Reuse loads generated for repeated function arguments
• Fix gl_HitT alias of gl_RayTmax
• Fix some cases where invalid SPIR-V was being generated when using separate samplers
• Add back layoutLocation to public API