Consistency for kill feed

I probably should rewrite the kill feed system, too many issues with how
it currently is.

Also updates language files once again.
Updated language files

New build from translate.garrysmod.com
Adding sentences.txt
Removed Lua implementation of timer.
Updated weapons to latest game changes
Particles for Antlion Worker
Merge pull request #650 from robotboy655/w

Updated weapons to latest game changes
Merge pull request #649 from HandsomeMatt/remove_timer

Removed Lua implementation of timer.
Merge pull request #648 from robotboy655/lang

Updated language files
Merge pull request #647 from robotboy655/kelfid

Consistency for kill feed