Renamed gp_get_var_value, changed parm order, added var_value.

- Renamed gp_get_var_value to get_var_value to make it more general.
- Added new var_name parm and changed the parm order to be more
  consistent with other existing functions.

Change-Id: I8f5f1932f1b1741fdb8524ee9083a4045bd0fce1
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
1 file changed