added viewPdf and viewHtml
added viewPdf and viewHtml

We had createHtml and createPDF (acronyms in CamelCase and UpperCase).

I renamed createPDF to createPdf (as an alternative, I could have
renamed createHtml to createHTML, but sounds like too loud).

Added viewPdf and viewHtml tasks

jrfinc/jPOS-EE,jpos/jPOS-EE,jpos/jPOS-EE,phamthaithinh/jposee,barspi/jPOS-EE,jpos/jPOS-EE,jrfinc/jPOS-EE,jrfinc/jPOS-EE,barspi/jPOS-EE,barspi/jPOS-EE