Updated README.md for outstanding issues and documentation
Merge branch 'develop'

Merging changes to convertBinData to return typed PyObject.
Added copyright text and corrected distribution name
update license info
Fix a typo
Removed doc/_build
Changed pygetdns to getdns in documentation
added URI for git repo
got rid of unused variable n_requests
added context_set_upstream_recursive_servers(context, [address_list]), created generic getdns_dict address dict converter
Fixed (to a first order of approximation) problem with error messages not bubbling up
fixed problem with convertBinData() not converting root name correctly