refactoring the build code to start unit testing it
test coverage for the compilation code
more test coverage for the compiler
linux tests
tests for compile_ruby_rtmidi_wrapper
tests for create_shared_library
test for compile method
tests for failure scenarios
setting up travis CI
attempting to trigger travis build
including development dependencies for travis builds
attempting to compile rtmidi on travis servers
stubbing out ffi for CI on travis
added travis CI build status indicator and notes for contributors