Updated Naval input layout
Added missing submarine to Army
Added id to Submarine class & changed id of antiaircraft gun
Fixed bug that was introduced by adding submarines to Army
Fixed bug that was introduced by adding submarines to Army contd.
Added saving of weapons development in input fragment
Removed unnecessary code for setting checkboxes (already handeled in setFields)
Naval input fragment now in the same state as the land input fragment
SoftKeyboard now hidden by default
SoftKeyboard is hidden when the view is changed between land and naval input