Merge pull request #210 from hintjens/master

Added version number to ZRE spec
Unique zyre windows export macro.
The macro cannot be shared between projects, as that would mark the symbols as being imported even
though this project defines them
Casts and stdlib changes for Windows.
Windows does not have strdup, and complains about void* -> type* conversions
Windows 2012 solution & project files

also updated .gitignore to ignore windows build artifacts
Merge pull request #211 from twhittock/master

Changes to alloww for compiling on Windows
Windows strdup replacement did not correctly initialise memory
No known side-effects, but bad
Merge pull request #213 from twhittock/master

Windows strdup replacement did not correctly initialise memory
Ignoring eclipse setting
Merge pull request #215 from mvala/master

Ignoring eclipse setting
Problem: zyre_set_name() method is extra work

Every new node should set a user-meaningful name so that logging works. The
right place for this is in the constructor.

Solution: remove this method and add the name argument to zyre_new ().
Fixed man pages, were out of date