added new cfg par for vo.client.conesearch and updated tests
added test for vo.server
added non-multiproc test for vo.server
in progress
fixed vo.server bug and tests
uncommented vo.server test teardown
added conesearch doc/example and fixed server test
replaced os.sep with os.path.join; followed pyflakes comment for webquert
updated to latest master -- problem with get_pkg_data_fileobj
fixed vo client/server to work with latest master
did pep8 and pyflakes on codes
fixed vo.server.validate logic
fixed vo.server validator on cached data
applied PR #478 from @mdboom and fixed network_error KeyError on cached data
added note to vo.server validate doc
fixed vos_catalog bug not recognizing SR in wrong case
added search by URL in vos_catalog and updated doc
updated conesearch doc and tests
this was commit ce9d5ba
a fix by someone else to clear download cache