Fix installation issue in common/functions.sh.  Set password as first 7 characters of hash of current data. Store as snmysqlpass, storageftppass, and password for the local fog user.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@1642 71f96598-fa45-0410-b640-bcd6f8691b32
ADD README File.