Reorganized code into a proper Python package (following Pythonic naming guidelines).
Some cleanup of themo.py
Reorganized directory to use setuptools
Included more useful metadata in setup.py
Moved orbital data table to a plain .csv file.
Merge branch 'package_test' of git://github.com/brian-rose/climlab into package_test

Conflicts:
	README
first attempt to read La2004 data remotely -- not working yet.
read_La2004.py works!
New method to read Berger data remotely. Still need to clean up orbital calculation.
Delete LICENSE.txt
split insolation and orbital lookup code into different modules.
new class OrbitalTable. lots of work still to do.
OrbitalTable class is now working.
long and short orbital tables now working
Finished reorganization of orbital code.