Patched PDA scanner to be more useful

PDA's integrated scanner was VERY rudimentary. Patched it to resolve
some formatting issues and improve usability. Patches #4522. The HTML simplification engine may be better in the helpers, but I'd imagine it's only used in this rare case.
God I would be tempted to remove that line on principle, it's a GPL licensed codebase, how can it be copyrighted.