'Open packages directory' button on dlc page

merge of volkan's commit followed by lupdate to pick up the new strings

Purely a whitespace change. Going to try to stick to consistent line endings in the future.

update german

more advbounce flagging

make punch usable with no gravity lua

code formatting/consistency

oops, remove debug message

check if save from old campaign name scheme exists and if so rename it to use _ instead of spaces -see issue #722

stricter check of dY and collision

Move to No_Gravity and add .cfg

Default to ...

allow poison clouds to flag active using tmpflag

No gravity mode

- Fix typo in frontend debug output - Expose gravity to scripts (in percents, 100 = normal)