* Add a report of variable-density wind-drivern circulation on an Aquaplanet.
* Modify the sources of dsogcm and diagVar.

commit acdeec1f64b8b86abbd1aaff6e59354010d1202a
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Wed Oct 22 18:09:50 2014 +0900

    * Modify some sources to output the density deviation in diagVar.
    * Modify some documents which demostrates the result of variable-density wind-drivern circulation on an Aquaplanet.

commit c9fa05aee8dd16b65dda5ad4fe452c6311228e1b
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Tue Oct 21 21:59:39 2014 +0900

    * Add new org files which contain a report for a numerical experiment of wind-driven circulation with variable-density.

commit efec47c7d4ca2b3f489c64843bca9fe72eeb26a9
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Tue Oct 21 21:55:25 2014 +0900

    * Modify the report for a numerical experiment of homogeneous wind-driven  circulation on an Aquaplanet. .