Added if branch to avoid creation of axis labels when the axis labeling policy is set to None.
Added if branch to avoid creation of axis labels when the axis labeling policy is set to None.

zenXian/core-plot,kamalvenkat/core-plot,tectronics/core-plot,LiDechao/core-plot,eoinnorris/core-plot,celery01/celery01-drawing-plot,sureshdustrise/core-plot,divyavamsee/core-plot,celery01/celery01-drawing-plot,celery01/celery01-drawing-plot,divyavamsee/core-plot,tectronics/core-plot,sureshdustrise/core-plot,kamalvenkat/core-plot,tectronics/core-plot,zenXian/core-plot,LiDechao/core-plot,celery01/celery01-drawing-plot,divyavamsee/core-plot,celery01/celery01-drawing-plot,LiDechao/core-plot,sureshdustrise/core-plot,sureshdustrise/core-plot,LiDechao/core-plot,zenXian/core-plot,eoinnorris/core-plot,kamalvenkat/core-plot,eoinnorris/core-plot,kamalvenkat/core-plot,zenXian/core-plot,divyavamsee/core-plot,tectronics/core-plot,eoinnorris/core-plot