Added Metalworks(RC5), Snake(G7), CoalPlant(B2), Viaduct(RC4). Removed older versions of maps with similar spawns.

Alphabetized maps (by name then version).

Added:
+cp_metalworks_rc5
+cp_snakewater_g7
+koth_coalplant_b2
+koth_pro_viaduct_rc4

Removed old maps with similar spawns and are not currently used (ex. cp_process_b6 spawns are the same as cp_process_final).
-cp_badlands_pro 		(cp_badlands)
-cp_freight				(cp_freight_final1)
-cp_metalworks_rc4		(cp_metalworks_rc5)
-cp_gullywash_pro		(cp_gullywash_final1)
-cp_gullywash_imp3		(cp_gullywash_final1)
-koth_pro_viaduct_rc2	(koth_pro_viaduct_rc3[4])
-cp_snakewater_rc4		(cp_snakewater[_g7])
-cp_snakewater_rc5		(cp_snakewater[_g7])
-cp_standin_b2			(cp_standin_final)
-cp_standin_b3			(cp_standin_final)
-cp_standin_b4			(cp_standin_final)
-cp_standin_b5			(cp_standin_final)
-cp_standin_rc1			(cp_standin_final)
-cp_process_b5			(cp_process_final)
-cp_process_b6			(cp_process_final)
-cp_process_b10			(cp_process_final)
-cp_process_rc1			(cp_process_final)
-cp_process_rc2			(cp_process_final)
-cp_process_rc3			(cp_process_final)
-pl_barnblitz_pro		(pl_barnblitz[_pro4])

List of maps:
arena_lumberyard
arena_ravine
cp_ashville_b6
cp_coldfront
cp_warmfront
cp_fastlane
cp_prolane
cp_follower
cp_foundry
cp_freight_final1
cp_granary
cp_gravelpit
cp_greenvalley
cp_gullywash
cp_gullywash_final1
cp_indulge
cp_mainline_rc6
cp_manor_event
cp_metalworks_rc5
cp_obscure_final
cp_process_final
cp_snakewater_rc3
cp_snakewater
cp_snakewater_g7
cp_standin_final
cp_waste
cp_well
cp_yukon_final
ctf_ballin
ctf_chaos
ctf_turbine
koth_arctic_b3
koth_ashville_rc1
koth_coalplant_b2
koth_lakeside_final
koth_ultiduo_r_b7
koth_viaduct
koth_pro_viaduct_rc3
koth_pro_viaduct_rc4
pl_badwater
pl_barnblitz
pl_barnblizt_pro4
pl_swiftwater_ugc
pl_upward
Merge pull request #11 from Elbon/master

Added Metalworks(RC5), Snake(G7), CoalPlant(B2), Viaduct(RC4). Removed o...