porting nc_test

[Jianwei Li]

>I've been working on compiling netcdf's nc_test program against our
>library.  
>
>There are two calls in the serial netcdf library used by nc_test for
>which i cannot find any parallel-netcdf analog
>
>nc_put_vara_text
>nc_get_var1_text
>

"text" data type has not been added to parallel-netcdf implementation yet.
Currently, there is only short, int, float, double data type support.

Jianwei