Merge pull request #206 from mvala/master

Header cleanup
Include chat in build process
Remove unnecessary Makefile.in
Merge pull request #208 from claws/chat_mods

Chat mods

Nice.
demonstrate graceful shutdown
Merge pull request #209 from claws/chat_graceful_shutdown

demonstrate graceful shutdown
Added version number to ZRE spec
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