GH-103 Suppress misleading Squirrel error
-Implement DatabaseMetaData.supportsSavepoints method

Signed-off-by: Rodrigo Pastrana <Rodrigo.Pastrana@lexisnexis.com>
Merge pull request #105 from rpastrana/gh-103-Suppress_squirrel_err

GH-103 Suppress misleading Squirrel error