test/py2llvm: support 32-bit machines
test/py2llvm: pep8
py2llvm: distinguish between llvmlite Module and ModuleRef
add requirements.txt
llvmpy->llvmlite
add .travis.yml
README.rst: add travis badge
travis.yml: drop llvmpy version tests
travis.yml: gcc-4.7 g++-4.7
travis.yml: always notify irc
travis.yml: cleanup