Use _OPENMP thing in shared.h.
Cleanup unused stuff in setup.py.
Move C/C++ files under src/ directory.
Add test command to setup.py

This requires regular, absolute imports in the tests.
add .travis.yml and accoutrement
PEP8 fixes.
Make sure _pyaccess extension is installed inside pyaccess package.
Link _pyaccess extension with -lgomp flag.
Only add OpenMP flags on non-Mac or if USEOPENMP env var is set.
Add pytables to travis installation.
Add sphinx docs skeleton

Uses ReadTheDocs theme, numpydoc extension.

[ci skip]
Add build and coverage badges to the README

[ci skip]
Update "Install" section in README

[ci skip]
Change name of package to pandana.
Remove .svn directory.

[ci skip]
Merge pull request #6 from synthicity/infra

Infrastructure improvements

- clean up repo layout and setup.py
- put us on Travis and Coveralls
- Add skeletons Sphinx docs setup
- Change package name to pandana