first draft of parsing UCSC's HTML definition document

(for eventually automatic parameter validation)
add ez_setup.py
add fabric as dependency
example in readme
try syntax highlight on github
readme tweaks
readme tweaks
Create LICENSE.txt
Delete LICENSE
Add MANIFEST.in so ez_setup.py is included and package can be installed from PyPI.
Merge pull request #12 from ENCODE-DCC/master

Add MANIFEST.in so ez_setup.py is included and package can be installed from PyPI