Release of tiegcm2.0

Contents of Release Directory on Website:

/hao/aim/tgcm/tiegcm2.0/       # Release directory on hao disk
                               # (Symbolically linked to /hao/ftppub/tgcm)
  CONTENTS                     # This file
  benchmarks/                  # Benchmark runs (including plots, but not history files)
  code_structure/              # Code flow charts (not updated for v2.0)
  description/                 # Model Description (dated 2011)
  download/                    # Tar files for download of source and data 
  release/                     # Release Document (sphinx html)
  userguide/                   # User's Guide (sphinx html)

  tiegcm_trunk/ or tiegcm2.0/  # Source Code (this does not go on the tgcm website)
    (svn tag: https://subversion.ucar.edu/tgcm/tiegcm/tags/tiegcm2.0)

  benchmarks/                  # Links in the release doc point to this (pdf plot files and proc dirs)
    tiegcm_res2.5_2015
    tiegcm_res2.5_climatology/
    tiegcm_res2.5_seasons/
    tiegcm_res2.5_storms/

    tiegcm_res5.0_2015
    tiegcm_res5.0_climatology/
    tiegcm_res5.0_seasons/
    tiegcm_res5.0_storms/