DiamonD HL PaK v3b

My third compilation of Half-Life one custom content, containing SD models, improved sounds, new sprites, hi-end decals, and more!
Changes from v2:

1. new "shell.mdl"
2. new "shotgunshell.mdl"
3. new "grenade.mdl"
4. new alien "agrunt.mdl"
5. new eye glowing "islave.mdl"
6. new alien boss "garg.mdl"
7. new hive gun "hornet