- moved common pytest code into test/pyhttpd
- does basic setup for a list of host names and some htdocs
- added modules/core and moved encoding tests from http2 there
- all test methods have module name in in prefix now, so to test only core, run
> pytest -k test_core
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1894134 13f79535-47bb-0310-9956-ffa450edef68