Merge branch 'Mario/weaponentities' into 'master'

Merge branch Mario/weaponentities (XL merge request)

Purges most checks like weaponentities[0], allowing for potentially multiple weapon entities.

See merge request !347

diff --cc qcsrc/common/gamemodes/gamemode/nexball/nexball.qc
Simple merge

diff --cc qcsrc/common/monsters/sv_monsters.qc
Simple merge

diff --cc qcsrc/common/mutators/mutator/nades/nades.qc
Simple merge

diff --cc qcsrc/common/weapons/weapon.qh
Simple merge

diff --cc qcsrc/common/weapons/weapon/porto.qc
Simple merge

diff --cc qcsrc/server/bot/default/scripting.qc
Simple merge

diff --cc qcsrc/server/weapons/selection.qc
Simple merge

diff --cc qcsrc/server/weapons/weaponsystem.qc
Simple merge