Simple Router Grapher / News: Recent posts

A preliminary version of SRG's documentation is now available.

Everything rewritten from scrach.
More info sources, plugin support, lots of new stuff

- Switching from GIF to PNG thanks to TPNGImage
- Removed Math library ( no more used )
- Cleaned a bit units code, no more warnings on compilation

- Ability to monitor Local CPU usage
- Ability to monitor Local Upload/Download
- Ability to monitor Local IP