[CM] Right way to get latest S7 and CM sources?

[bil at ccrma.Stanford.EDU]

> What is the best way to ensure I have the latest release for s7, is the 
> Snd release on SVN, or the tarball link on s7.html?

These are always the same.  I update them nearly every morning.
You can also check the S7_DATE string in s7.h.