added list_contents to TableList
added code for query_region
Merge pull request #126 from jdnc/send-request-post-get

Add support for HTTP GET requests in astroquery.utils.commons.send_request
Added code for iau format names
Added TableList to utils.commons
Added tests for TableList
Renamed list_contents to print_table_list
added an offline test for Besancon and changed the servers.  So, no
guarantee this will actually work.
fix imports
minor tweaks to testing...
begin refactor -> requests
finished requests refactor
whitespace
whitespace
fixed streaming requests
besancon refactoring complete
respect 'verbose' keyword
flush stdout so that messages are visible when awaiting download
added setup_package (thanks for figuring all this out @jdnc)
Added vizier tests