Show selected weapon again when using it in inf attack mode
This is useful if you have e.g. lots of (finite) bazookas; it's easy to lose track of the amount of remaining bazookas.
Not displayed for weapons which always end your turn.
07f3bf8d98a3
Hedgewars.png had a resolution more than twice as high as required; also fixed some (mostly obsolete) code that also contained a typo that would cause a warning/note in clang
