* Update some org files written about  EOS in ocean model and the numerical error in chebyshev spectral method.
* Update the description of the numerical experiment result for a wind driven circulation with an APE configuration.
* Add 2nd order Runge=Kutta scheme into temporal integration schemes available in Dennou-OGCM.

commit 2a48466ad0960afe8a2400ca3bdccdfbd3b0d4c5
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Sat Feb 22 19:02:36 2014 +0900

    * Modify some figures in a consideration of chebyshev spectral method.
    * Update some org files to add the reference.

commit 58758b7da3ce1a3b0cc9bc0ae8558041d5a35cc5
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Wed Feb 19 14:47:07 2014 +0900

    * Commit some files to explain my present status in working seminar.

commit ef4d47b0ac8fab3479397d2a34d59c37338c886c
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Tue Feb 18 23:05:13 2014 +0900

    * Create an index page for Kawai workking seminar.

commit 084d61252929403413ce180e68ef7093b3059446
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Tue Feb 18 12:03:40 2014 +0900

    * Implement 2nd order Runge=Kutta scheme.

commit 2a6b86dfbb69fc3157ca435a56cb20a34047df5c
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Tue Feb 18 11:56:23 2014 +0900

    * Modify some files to output prognostic variables at time level n-1.

commit 12a8035470f53ef5ef3adc202a6b1cd2fc26f11b
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Tue Feb 18 11:51:36 2014 +0900

    * Rename directory and some files.

commit 4ae54afd06a67dd3025f62d2428335d436ccb0a7
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Tue Feb 18 11:14:57 2014 +0900

    * Update some files which contains the discription of numerical error in chebyshev spectral method.

commit 722739912a973d7b24d1ea10b32b98bac79ee644
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Thu Feb 6 20:41:22 2014 +0900

    * Update the descriptions for numerical experiments.

commit b21113fa3b943db1ffe12d44fcf95d39d7581f7c
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Thu Feb 6 20:40:16 2014 +0900

    * Add new some functions for data analysis.

commit c934eb897cfd781b1f1cd46e69c19353d84488ab
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Sat Feb 1 14:35:37 2014 +0900

    * In order to save computation time, stop updating the diffusion matrix per a time step provisionally.

commit fc88481d8f25236651ddd037275464a306dd2fd5
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Sat Feb 1 14:33:13 2014 +0900

    * Add new type of wind stress pattern in which  the global mean of angular momentum vanishes.

commit 5b575d3aef6e64e85a2078ee3c5f76549a8e6385
Author: Yuta Kawai <ykawai@gfd-dennou.org>
Date:   Sat Feb 1 14:26:31 2014 +0900

    * Add a function to analyze the energy budget into diagVar.