#94 initial setup and script creation for the spider tank burrowing/tunneling state.
#94. added two new methods to get a random relocation position or to get the nearest relocation position to the player.
#94. basic scripts setup for burrow state. going to start testing soon. not sure how to go about transitioning to the state, though.
#94. Burrow state complete. All that's left to do is add some kind of animation / visual effect which the script is setup to do so.
#94. Cached the mesh renderers for a performance improvement.
Merge pull request #137 from ModSquadWorkshop/boss_tunneling

Boss Burrowing State