Sound effects, wave size, enemy spawning updates

Added sound effects, updated wave size to use fibinacci, game pauses
when silo is destroyed, enemies now spawn on the left side.
Enemy wave adjustments and code cleanup

Cleaned up old code, moved turret creation to player script, enemy wave
timer waits for all enemies to be cleared for the current wave before
counting down.
Added end game dialog and music
Merge branch 'master' of git://github.com/evalMonkey/LeftKnut into evalMonkey-master

Conflicts:
	Project-LeftKnut/Assets/Scenes/Level.unity
	Project-LeftKnut/Library/InspectorExpandedItems.asset
	Project-LeftKnut/Library/ScriptAssemblies/Assembly-CSharp-Editor.dll
	Project-LeftKnut/Library/ScriptAssemblies/Assembly-CSharp-Editor.dll.mdb
	Project-LeftKnut/Library/ScriptAssemblies/Assembly-CSharp.dll
	Project-LeftKnut/Library/ScriptAssemblies/Assembly-CSharp.dll.mdb
	Project-LeftKnut/Library/assetDatabase3
	Project-LeftKnut/Library/expandedItems
	Project-LeftKnut/Library/guidmapper
	Project-LeftKnut/Library/metadata/1d/1da85f72a7a82bc4eabdbd8f0683bde2
	Project-LeftKnut/Library/metadata/7e/7e212db0aa2c00b448aa511ece336f20
	Project-LeftKnut/Library/metadata/7f/7fdfb9a3e0fdf4df880ebc7fa5f56398
	Project-LeftKnut/Library/metadata/a1/a13fed205b1fa3942abfab7ba21463ec
	Project-LeftKnut/Library/metadata/b6/b667956babf1f0446a76fa8b99404ab8
	Project-LeftKnut/Library/metadata/ca/caeffedc34d9f4161b7694ad0d84bbd3
	Project-LeftKnut/Library/metadata/f8/f8136785e54fd1d459d2a3a0849fe770
	Project-LeftKnut/Library/metadata/ff/fff550291a551d14f95bf334e52db85a