Simplify code to find app module in ringo/httpserver.init()
Simplify code to find app module in ringo/httpserver.init()

If an app module argument is provided just use it without trying to load it
or checking if it is a directory.

Also add some logging and clean up some comments.

Transcordia/ringojs,ashwinrayaprolu1984/ringojs,ringo/ringojs,ringo/ringojs,Transcordia/ringojs,ringo/ringojs,Transcordia/ringojs,ringo/ringojs,oberhamsi/ringojs,ashwinrayaprolu1984/ringojs,ashwinrayaprolu1984/ringojs,ashwinrayaprolu1984/ringojs,oberhamsi/ringojs,Transcordia/ringojs,oberhamsi/ringojs