hdf5_ep

[svn-r20508] Checked in changes for fixing:

Bug 1752 - H5Lite Fortran APIs do not allow you to create 4 dimensional datasets (or greater)
           * Fixed and tested the integer, real, double routines for creating and reading 
             dimensional dataset with ranks 4-7

Bug 1939 - h5tbget_field_info_f
  * Fixed error in passing an array of characters with different length
    field names for h5tbmake_table.

  * Fixed error in h5tget_field_info_f with packing the C strings
    into a fortran array of strings.

  * Added optional arguement to h5tbget_field_info_f called maxlen
    which returns the maximum string character length in a field name
    element.

  * Uncommented out test for h5tbget_field_info_f in the test program
    and added additional checks for the output.

Tested: jam (intel, gnu compilers)