Cleanup temp test file
fix many parallel test issues

While running these on HHVM I've run into a lot of parallelism issues.
I'm backporting all the fixes I had to do in
https://github.com/facebook/hiphop-php/blob/master/hphp/tools/import_zend_test.py#L650
to php core.

Most of these changes were just filenames that were shared between
tests, but I did more surgery on the fixed ports. I can apreciate port
31337 as much as the next nerd, but random ports are better for tests.
fix missing change from 'tcp_socket' to the more common 'server'
Add a couple more test cases to parse_url() tests

http://::# (valid but silly)
http://#   (invalid)