appending extra credits- not overwriting prev credits img

fixed cy smog after breaking it working on boar
Merge branch 'old-working-copy' of https://github.com/GoldenCity/GoldenCityGameMain4_16_9_23AM into old-working-copy

Conflicts:
	Assets/PreFabs/prefabProjectile_2.prefab
Impulse var on cannon script sets launch velocity
Merge branch 'old-working-copy' of https://github.com/GoldenCity/GoldenCityGameMain4_16_9_23AM into old-working-copy

Conflicts:
	Assets/PreFabs/prefabProjectile_2.prefab
	Assets/Scenes/Scene_Campaign.unity