Adds a collection of mutators for private matches

Adds the flipside mode, to make it serverside only this is done as a modifier not a gamemode and can be toggled from the settings. Only works on glitch and will break on other maps. when toggled off the weapon .nut changes will not take effect

Adds the harvester battle mode mode, to make it serverside only this is done as a modifier not a gamemode and can be toggled from the settings. Only works on skirmish and will not do anything on other modes