Fix #10 by correcting the discovery date of Uranus
Remove .hgignore and clean up .gitignore
Rename README -> README.rst
Add travis status image to README
Adapt setup.py to change README -> README.rst
Fix #14: make earthsat.ra and dec be epoch-of-date
Add README.rst to the source distribution

Its absence from the .tar.gz created by "sdist" seems to be breaking our
Travis CI build; odd that this did not affect @cdeil's pull request that
renamed the file to .rst.
Adjust 2 tests in an attempt to please Travis CI
More tweaking to try to please Travis CI
Enable "doctest" Sphinx module
Thanks to Bernard Giannetti, fixed example scripts

Also, I have gone ahead and made the example scripts executable using
Sphinx's new "testcode" and "testoutput" directives, and included their
output inline so that I can be sure that they keep working.
Merge pull request #1 from brandon-rhodes/master

update