apply unC0Rr's fix for 435 to landscape and non numbered ammomenu

Fix issue #435, and also unreported bug when 2 or even 4 entries could have selection at the same time in weapons menu.

these files had the executable flag/permission set

issue #443 - change in syntax for effects

minor macro cleanup

updated italian translation (#447)

Clear hedgehog's gear Power value when switching. Should fix issue #446 (not tested, but looks obvious).

Oops, fix room players list emptyness

This should cover all entries from issue #438

Fix cake splashing bug (issue #429)

No hacks! Fix issue #437

fix for issue #441 ("Cannot overwrite default weapon set 'Default'!" message when no change to weapon set was made)

Set minimums on a few values to avoid camera zooming out past them. partly issue #430. Might be worth defining a new constant for this.

eh. might as well toss this in for reference purposes

Fix bad loc calls in campaign, rope training. Regenerate lua. Untested.

fix for the root cause of issue #434 (previous pages being visible in the background)