Fix daemon mode in multiple programs under OSX

  - ccnet-server
  - ccnet
Merge pull request #57 from Chilledheart/daemonize_under_osx

Fix daemon mode in multiple programs under OSX
[build] add cmake build system

 - add missing includedir for cmake
 - remove shared library version
Resolve pidfile resource leaks

This patch resolves resource leaks caused by not closing the file streams upon
an write error.
[lib] removal of unused code
[net] Add role for user

  - fix a issue with search_emailusers