Always allow pubkey file to be loaded.
Minor bug in Sys_LoadDll. The first check for libhandle will return and unless you're running developer 1 you'll never see the error message which caused the game not to load.
Remove status reporting from Sys_TryLibraryLoad.

Without this, the preceding commit will cause double reporting of errors if
developer=1.
Use C++ bool instead of qboolean where possible
Factor Endian swaps
Use a queue for bot reaction time

This fixes the issue of bots standing still for a while after killing an enemy
Fix bot reaction to pain
Add v0.16.0 versions of shader, particle and trail files inside main/scripts.
Add v0.16.0 versions of config files inside main/models and main/sound.
Add v0.16.0 versions of skin files inside main/models.
Add entities definition file main/def/entities.def.
Add armour files inside main/armour.
Merge remote-tracking branch 'remotes/origin/master' into gameplay/master
Merge branch 'gameplay/master' into gameplay/viech
Merge branch 'gameplay/viech' into bots+viech
Merge remote-tracking branch 'remotes/origin/bots' into bots+viech