Use CPU host name for code generation on the JIT codegen, and forcibly disable AVX
Merge branch 'master' of github.com:numba/numba into use_cpu_host_name
Remove manual enabling of SSE. LLVM does it automatically when asked to specialize for the host CPU.
Merge branch 'master' of github.com:numba/numba into use_cpu_host_name
Add an environment variable to enable AVX.
Merge pull request #882 from pitrou/use_cpu_host_name

Use CPU host name for code generation on the JIT codegen, and forcibly disable AVX.