Added in the SUBSECTIONS for Catalogs. Removed mention of VDC and shell planner.
Added in the SUBSECTIONS for Catalogs.
Removed mention of VDC and shell planner.


pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus