Sysinfo2: OS X part is code complete

The OS X part is code complete. Feel free to check out Revision 74 from Subversion repository for testing. Please report any problems using the forum.

The code include the following modules:

* cpu
* display enviroment
* enviroment variables
* memory
* network
* operating system
* software
* storage

Note: This is not an official release. No official support will be given and they have only been tested so far as they compile cleanly.