Beta v3.1 patch

Fixed HUD detail on Low causing client script spam. Thanks for spotting
this @Scatter
Fixed game count-down script error when round starts
Fixed MAC server script error spam when moving into different locations.
Thanks @Soul_Rider, nice find
Fixed Medpacks pickup not triggering for players (it "should" be fixed,
this one is a bit tricky to reproduce)
Fixed potential bug preventing Nanoshield from reducing damage
Fixed missing crosshairs for all Exo variants
Added the Slow down on jumping back in to prevent infinity speed b-hop.
Thanks @CyberKun, good catch
Added game_setup.xml so MvM game-type shows up in server browser
Power Nodes are now always invulnerable. Lame, but having some
multi-state damage logic would be confusing as hell right now.
Updated Power Node hit to say it is invulnerable
Increased the rate that Exo Minigun overheats by 15% faster for single
gun and 10% faster for dual Miniguns
Decreased Exo base armor to 300 (was 350), maxes out at 600 (was 800)
Decreased Exo armor per upgrade level to 100 (was 150)
Increased Exo Pres cost to 45 and Dual Weapon Pres cost to 25
Decreased Personal Resource income rate to 0.1 every 7 seconds (was
0.125)
Decreased Exo Claw damage to 50 (was 60)
Decreased ARC Supply cost to 15 (was 20)
Decreased Railgun max charge to 120 (was 130)
Decreased Railgun single shot to 30 (was 35)
Decreased Cluster Greande initial explosion damage to 65 (was 75)
Decreased PhaseGate research time to 45 seconds (was 60)
Decreased Jetpack research time to 80 seoncds (was 90)
Decreased vertical thrust on Jetpacks. It was too anti-gravity. Still
needs lots of work
Increased Shotgun max range to 60 (was 30)
Increased Flamethrower damage to 18 (was 15)
Increased Flamethrower range to 10 (was 9)
Increased Flame burn damage to 6 (was 5)
Increased Pulse Grenade damage to 80 (was 75)
Increased Ax damage to 35 (was 25), and it still Puncture type (i.e. x2
to players)
Slightly increased the intensity of sensor blips
Slightly increased No Power light brightness
Increased Weapon & Armor research costs to 20,30,40 (was 15,25,35)
Increased GL research time to 60 seconds (was 40)
Increased GL Pres cost to 30 (was 25)
Increased GL damage to 120 (was 110)