Merge pull request #264 from trevorbernard/master

Add acknowledgements section
ZAuth with null mechanism support
null allows all but blacklisted through
cleanup, stubs for other mechs
add self to authors...
Merge pull request #265 from cbusbey/null_mech

ZAuth with Null Security Mechanism
Fixed broken builds for zmq < 4.0.0
Merge pull request #266 from cbusbey/null_mech

Fixed broken builds for zmq < 4.0.0
config/* is on .gitignore, so config/ax_jni_include_dir.m4 shan't be commited
Revert "config/* is on .gitignore, so config/ax_jni_include_dir.m4 shan't be commited"

This reverts commit 7879705ba9e23385a9552c79fd1307e8e9fc537c.
updated INSTALL and src/config.hpp.in from latest autogen(?)
added support for MacOSX and Oracle's Java
added darwin subfolder to catch jni_md.h automatically
Merge pull request #268 from davipt/master

Fix compilation for MacOSX and Oracle's JVM
Use PUSH/PULL for throughput perf teset
Revert "updated INSTALL and src/config.hpp.in from latest autogen(?)"

This reverts commit 1694095336d392b4cd2cfef547966cfefa38546b.