Merge pull request #157 from hintjens/master

New protocol version 2
Merge pull request #158 from hintjens/master

Problem: exponential join/leave message storms
Updated documentation with latest API
Merge pull request #159 from sappo/master

Updated documentation with latest API
Added cmake support (using makefile generation similar to czmq).
Merge pull request #161 from mditzel/master

Issue #160: added cmake support
Merge pull request #163 from hintjens/master

Fixed chat example
Fix for #162
Merge pull request #164 from mvala/master

Fix for #162
Added CZMQ_EXPORTs for compiling for windows.
Merge pull request #165 from mditzel/master

Added CZMQ_EXPORTs for compiling for windows.
Problem: don't know own UUID

- needed for logging, to correlate events
- new method, zyre_uuid() returns this
Fixed zre_msg and zre_log_msg for Windows

- regenerated with zproto using CZMQ_EXPORT