Added Obsolate_functions.

Obsolate_functions

+gridDefXname(gridID, xname)         -> cdiGridDefKeyStr(gridID, CDI_KEY_XNAME, CDI_MAX_NAME, xname)
+gridDefXlongname(gridID, xlongname) -> cdiGridDefKeyStr(gridID, CDI_KEY_XLONGNAME, CDI_MAX_NAME, xlongname)
+gridDefXunits(gridID, xunits)       -> cdiGridDefKeyStr(gridID, CDI_KEY_XUNITS, CDI_MAX_NAME, xunits)
+gridDefYname(gridID, yname)         -> cdiGridDefKeyStr(gridID, CDI_KEY_YNAME, CDI_MAX_NAME, yname)
+gridDefYlongname(gridID, ylongname) -> cdiGridDefKeyStr(gridID, CDI_KEY_YLONGNAME, CDI_MAX_NAME, ylongname)
+gridDefYunits(gridID, yunits)       -> cdiGridDefKeyStr(gridID, CDI_KEY_YUNITS, CDI_MAX_NAME, yunits)
+gridInqXname(gridID, xname)         -> cdiGridInqKeyStr(gridID, CDI_KEY_XNAME, CDI_MAX_NAME, xname)
+gridInqXlongname(gridID, xlongname) -> cdiGridInqKeyStr(gridID, CDI_KEY_XLONGNAME, CDI_MAX_NAME, xlongname)
+gridInqXunits(gridID, xunits)       -> cdiGridInqKeyStr(gridID, CDI_KEY_XUNITS, CDI_MAX_NAME, xunits)
+gridInqYname(gridID, yname)         -> cdiGridInqKeyStr(gridID, CDI_KEY_YNAME, CDI_MAX_NAME, yname)
+gridInqYlongname(gridID, ylongname) -> cdiGridInqKeyStr(gridID, CDI_KEY_YLONGNAME, CDI_MAX_NAME, ylongname)
+gridInqYunits(gridID, yunits)       -> cdiGridInqKeyStr(gridID, CDI_KEY_YUNITS, CDI_MAX_NAME, yunits)