POD HD 300 to POD HD 500 Translator

First working translator for hd 300/400 preset files to hd
500/desktop/pro.
Still some things missing (tap, Dt, ..)

No bundles, no setlists yet.
Support for POD HD ProX

- Support for POD HD ProX
- Fixed Issue that overwrote Amps with PhD Motorway in 'Amps to PreAmps'
and 'PreAmps to Amps'-Conversion
Fixed enormous Bugs in the 'Modify Files'-Section

Broken assignment of the 2. Cab, 2. Amp, 2. Mic Comboboxes.
Fixed the 'No Cab'-Option.
Fixed proper recognition of setting Amp/Cab on/off during altering them.