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)

Graves should not be kicked for EXPLDoNotTouchAny

add a preliminary description

redraw ownertex to fix tinting issue

make rubber bouncy even in winter. was considering icy as well but, one, evil, two, would prob want ice sprite like girder

changing math functions that may cause desyncs