#1 Add pradoGetApplication() to API Manual

[Jeffrey Thompson]

Add a section in the API Manual
(http://www.xisc.com/documentation/manual/li_prado.ht
ml) for top level doc section (on left) "Functions" that are
not part of objects then document pradoGetApplication()
there. Show how to instantiate an inherited
TApplication object
http://www.xisc.com/forum/viewtopic.php?p=8327