don't set tint color on KGOToolbar when initializing from nib file if there is no value configured.
don't set tint color on KGOToolbar when initializing from nib file if
there is no value configured.

aldeloren/super_secret_thing,aldeloren/super_secret_thing,modolabs/Kurogo-iOS-old,modolabs/Harvard-Tour-iOS,modolabs/Kurogo-iOS-old,modolabs/Harvard-Tour-iOS,modolabs/Kurogo-iOS-old,modolabs/Kurogo-iOS-old,modolabs/Harvard-Tour-iOS,aldeloren/super_secret_thing,aldeloren/super_secret_thing,modolabs/Harvard-Tour-iOS,aldeloren/super_secret_thing,modolabs/Harvard-Tour-iOS