* This change is similar to the previous one in that it
  adds gridInq[XY]namePtr internal functions.

* This simplifies later optional loading of the grid from netCDF.

* va_start, printf, fprintf, vfprintf, va_end are all candidates.

* This will later allow for decomposed and lazily-read grids.

merged trunk into cdi_conversion_c++ and changed type of len in function serializeStrTabGetSize() to int, removed anonymous function in serializeStrTabGetSize() and replaced it with &len

* Also rename some functions to include cdi prefix.

* Because it holds the namespace the unpacked resource comes from.