Added silent rules to build process
Generating all project files from single XML model now

- using same GSL approach as for socket options
- everything is in model/ directory, see model/README.txt
- support added for Android, MingW32, MSVC, CMake
- quite possibly I've damaged MSVC project files
Added silent rules to build process
Generating all project files from single XML model now

- using same GSL approach as for socket options
- everything is in model/ directory, see model/README.txt
- support added for Android, MingW32, MSVC, CMake
- quite possibly I've damaged MSVC project files
Updated README on adding new classes
Simplified zrex API and added zrex_eq()
Removed use of strndup and non-portable code
Merge branch 'master' of github.com:hintjens/czmq
Merge pull request #271 from hintjens/master

Moving to automatic generation of all project files