CPAxis: Fixed memory management issue in setAxisLabels: and refactored relabel to add stubs for other labeling policies.
CPAxis: Fixed memory management issue in setAxisLabels: and refactored relabel to add stubs for other labeling policies.

aufflick/core-plot,aufflick/core-plot,aufflick/core-plot,aufflick/core-plot,aufflick/core-plot