Implement new version fetching
Add argument info to display_help

Not tested
Move non-detect functions out of detect.c
Clean up output_logo_only
Fix frugalware logo

Wasn't copied properly, wwwww
Remove static warning

This warning is decided at compile time, there's no need to scream
at runtime.
Move manual_input clean up functions into manual_input
Prepare manual_input to be rewritten