- rewrote the input handling
- forwarding headers in camel case to HTTP/1 request prossing
- merging duplicate headers into single line with proper separators
- eliminated h2_bucket by using apr_bucket_brigades everywhere
- added test cases and fixed chunked input processing
- sandbox now uses curl 7.42.0
- enhanced alpn patch slightly, compatible to old one, no need to repatch mod_ssl on existing installations
- adding some tests with fcgi, for sandbox testing please install php5-cgi