implemented CORS
moved Resource class into resources.py & refactored
refactoring & added explanation to config
re-ordered imports
whitespace
Merge pull request #51 from slang800/master

Implement CORS
setup.py with entry point ``shiva-server``
ignore stuff from virtualenv
README: code blocks and libxml dependency
Documented new installation process
put dependencies into setup.py
shiva-indexer entry point
README: working link (after install)