This makes "-verbose" not required for JPS to run correctly and
therefore allows to print more useful debugging stuff in the compiler
and read them in CLI, for example. The output will also be more readable
because there'll be no "output" messages
- render the whole line where the error/warning points to, if any, and another
line with '^', like other compilers do
- lowercase diagnostic severity
- decapitalize the message if it doesn't start with a proper name
But when running code, do it via <java> task, not via custom testing code. Most
of the time the compiled code need not be runned, because it's irrelevant to
the Ant task itself
Dmitriy Novozhilov