Add support for all request methods sent via fastcgi

Added support for request method to be passed in from apache/nginx.
Added access log support for the above request methods.

Closes #1876
Closes #1831
Closes #1885

Reviewed By: @fredemmott

Differential Revision: D1200544

Conflicts:
	hphp/runtime/server/fastcgi/fastcgi-transport.cpp
bump version to 2.4.2