hdf5

Merge pull request #357 in HDFFV/hdf5 from ~BMRIBLER/hdf5_1_10_bmr:hdf5_1_10 to hdf5_1_10

* commit '7a799387e100138f1300c29810e9032f66436fcf':
  Description:     Fixed typos and missing items in function headers, that were revealed     by Doxygen, and revised various comments. Platforms tested:     Linux/32 2.6 (jam)     Linux/64 (platypus)     Darwin (osx1010test)
  Description:     Updated the C++ API sections.