Merge pull request #135 from sappo/master

updated README to match latest API changes
Updated chat example to use new zyre_shout group parameter
Merge pull request #137 from m-marsella/master

Updated chat example to use new zyre_shout group parameter
Fixed free() calls
Merge pull request #138 from hintjens/master

Fixed free() calls
Travis build fails due to an czmq build error
Updated zstr_free calls to use char**
Merge pull request #139 from m-marsella/master

Updated zstr_free calls to use char**
Removed unnecessary check on libuuid
Minimum changes required to do "VPATH build"

That is to say, build from a directory other than the source directory.
Merge pull request #142 from codebrainz/vpath-build

Minimum changes required to do "VPATH build"
Merge pull request #141 from hintjens/master

Removed unnecessary check on libuuid
Added address field to Zyre's ENTER message.
Added address field to Zyre's ENTER message.
Merge branch 'master' of https://github.com/mditzel/zyre
Updated the documentation
Merge branch 'master' of https://github.com/mditzel/zyre
Moved ipaddress frame after headers to keep backwards compatibility
Updated comments to be inline with latest changes
Merge pull request #143 from mditzel/master

Added sending peer's IP address to ENTER event
Fixed semantic copy&paste typo.