skypiax: added directory 'configs/multiple-instance-same-skype-username', contains configuration file and script to launch Skype clients with multiple instances of the same skype user, eg: 10 instances of skypename 'Bob' and 10 instances of skypename 'alice'

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14337 d0543943-73ff-0310-b7d9-9358b9ac24b2