[asterisk-gui] Updated Svn Structure! Read! :]

[bkruse]

I have updated the install page, and added a few things on:

http://asteriskNOW.org/install-related

It contains the beginning to a new, and less confusing branch structure.

The goal is to have one GUI checkout to fix all, no more 2-3 branches 
per platform.

(In short, http://svn.digium.com/svn/asterisk-gui/trunk is where you 
checkout from now.)

-bk