Campaign: Try to auto-select an open mission after selecting team or campaign

Campaign: Select next unfinished mission after completing one

Frontend: Don't reset campaign mission selection to top of list after each play

Make game engine load the user's locale correctly (bug #688)

Refactor hwengine: Rename cLocale to cLanguage Required so the clocale unit can be added

Make hog kill stat stuff consistent WRT SD water rise

Fix hog taunts counting SD water rise drowns as team kills (bug #691)

Comment all important variables in uStats

Target practice: Change target radar color to red

Highlight next target for most target practices

ACF5: Delete circles vgears after wave3 appeared

Keep track of accuracy record in target practice challenges

Remove "loser" messages in challenges The point of challenges is not to "win", but to reach a highscore, so we need not to rub failure into the player's face.

just focus on the unsafe deletes in a hopefully branch-safe fashion