Giving students a feel good factor with the Online Users block (Moodle 1.9.x and Moodle 2.2)

Fourteen days ago, I set out to modify Andy J. Davis' Online Users block. My objective was to make my Moodle site more engaging. I think that with the generous help of PHP developer, Matteo Scaramuccia of Italy, and Stephane Gully's Shoutpro Creative Commons Attribution-ShareAlike 2.5 License code,  the objective has been achieved.