#1 missing taskdef documentation

[John Arrizza]

The documentation is missing instructions on using the
taskdefs. Specifically, the <taskdef .../> lines required
for each of the taskdefs. e.g.

> You are missing a line in your build.xml (usually at
near the top...):
>
> <taskdef name="vb6"
classname="net.sourceforge.jtaskdefs.VisualBasic6"/>
>