begin Python implementation
update for PyPI upload
update README add requirements.txt
Merge pull request #3 from mmwoodman/trunk

PyPI
update to include source files
bump version for pypi
add testing
make sure travis builds lib before testing
MANIFEST.in required to include sources for build
make sure travis builds lib before testing
required scipy
get numpy & scipy installed ahead of time in travis
no python 3.3
Merge pull request #5 from mmwoodman/trunk

PyPI-ify the geodesic library