[code/GUI] Some cleaning

[code] PVD protection

[GUI] Minor fix

[GUI] Table headers read implemented

[GUI] Fixed tables headers values.

[GUI] Removed unused connections

[GUI] Bumping version to match firmware

[GUI] Updating "about"

[GUI] Removing all the unused/specific stuff (old HRC import/export, fuel/ign/staging tables) to keep app generic.

[Code/GUI] Updating version and fixed usb interface (testing)