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
Merge branch 'master' of https://github.com/rpastrana/hpcc-jdbc
INTERNAL update version to 0.2.4-beta-trunk in upstream/master
Signed-off-by: Rodrigo Pastrana <Rodrigo.Pastrana@lexisnexis.com>