Prevent modulo 0
Fix wrong memory allocation and sound selection
Merge pull request #78 from cinaera/pr_modulo

Fix several bugs for ingame sounds
Rename "Ambient" to "Map Sound"
Add shift + right click to delete a quad (Suggestion by Welf)
Add antiping for weapons (by nuborn)
Add option for weapons prediction
Oops
Minor cleanup
Merge branch 'DDRace64' of github.com:def-/ddnet into DDRace64