Configurable immutable mixin + Modular Requires
#17: Immutable component mixin is now configurable. See README for usage
#19: Modular requires to allow the following
require('fluxible-immutable-utils/mixins')require('fluxible-immutable-utils/lib')require('fluxible-immutable-utils/mixins/ImmutableMixin')require('fluxible-immutable-utils/lib/createImmutableMixin')require('fluxible-immutable-utils/lib/createImmutableStore')