2013-7-10: Ver. 0.1-1
  * Fixed load_balance() bug.
  * Fixed vignette installation issues.

2013-06-20:
  * Expanded section on parallelism basics in vignette.
  * likelihood, pmclust, and phyclust applications added to vignette.
  * Change SPMD/spmd to GBD/gbd.

======================= Log Before Release =====================================

2013-03-12:
  * Added cover to vignette.
  * Changed title of vignette.
  * Cleaned up for CRAN.

2013-02-07:
  * Add pbdNCDF4 examples.
  * Add SPMD data matrix major for load balance functions, and
    spmd2dmat and dmat2spmd functions.
  * Add ncvar_put_* and ncvar_get_*, and simplify their examples.
  * Add NetCDF4 chapter to vignette.

2012-11-27:
  * Added pbdBASE and pbdDMAT examples.
  * Added numerous functions.

2012-11-06:
  * Add pbdMPI and pbdSLAP examples.
  * Add vignette with tons examples.
  * Add demo functions.
  * Add load.balance and unload.balance functions.
  * Add spmd2dmat and dmat2spmd functions.

2012-09-11:
  * Package created
  * DMAT - Added sql reader
  * DMAT - Added huge random matrix generation
