Log Message:
Major bmon update to 3.8.

The changelog only goes as far back as 3.1. Major changes are:
- Mac OS X port
- Provide minimal interface information on BSD
- Fixes for all defects identified by coverity
- Fix accuracy issue on total rate calculation
- Better example config file
- Only initialize curses module if actually used
- Bugfixes

Also saner build system and new source code location (github).