move 0.01 to the end to avoid increase damage fail on small values like fire. thanks to hedgewars wiki for noting this for fire damage.
Bump protocol and version (game desync would be triggered by b70352db5675, 2ae44c4381cd - other revisions probably safe)
Restore CurAmmoType check as well, that was removed in
r8f317ba10675 when trying to fix aiming during alt attack.
This probably fixes
bug #657
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