Changed madhouse repo to obs repo
Merge pull request #93 from talien/f/obs-repo

Changed madhouse repo to obs repo
README: Updated README.

Removed module references which are transferred to syslog-ng upstream,
and updated syslog-ng version requirement.
ZMQ: Added zmq source, destination and transport
ZMQ: Make useage of zmq automatic

 * It means if user didn't set --enable-zmq,
   but zmq is installed it will compile with zmq
ZMQ: removed unused zmq_install.sh

 * It doesn't belong to incubator. It needed for travis only.
ZMQ: fixed zmq libs and cflags
ZMQ: Fixed segfault during reader deinit
ZMQ: Followed up 3.6 related changes

 * stats and other headers location
 * transport init_instance instead of init_method
 * GlobalConfig handling
 * LogThreadedDestination insert handling