odbc: add test for fetching ms sql server datatime2 type
odbc: add test for fetching ms sql server datatime2 type

Updates issue 17

R=alex.brainman, lukemauldin
CC=brainman
https://codereview.appspot.com/13270047

djhenderson/odbc,justinyaoqi/odbc,djhenderson/odbc,darkwood001/odbc,brydavis/odbc,alexbrainman/odbc,ChrisHines/odbc,xcable/odbc,cross1154/odbc,Matthew-Zong/odbc,alexbrainman/odbc,ijibu/odbc,runner-mei/odbc,edharper01/odbc,karlma/odbc,brydavis/odbc,djhenderson/odbc,alialtun14/odbc,ijibu/odbc,snuk182/odbc,darkwood001/odbc,steino/odbc,tjyang/odbc,sanatgersappa/odbc,brydavis/odbc,ChrisHines/odbc,darkwood001/odbc,Distrotech/odbc,Matthew-Zong/odbc,terkiterje/odbc,xcable/odbc,xcable/odbc,ijibu/odbc,karlma/odbc,cross1154/odbc,alialtun14/odbc,runner-mei/odbc,snuk182/odbc,Matthew-Zong/odbc,terkiterje/odbc,edharper01/odbc,snuk182/odbc,steino/odbc,karlma/odbc,Distrotech/odbc,sanatgersappa/odbc,tjyang/odbc,runner-mei/odbc,alialtun14/odbc,steino/odbc,justinyaoqi/odbc,terkiterje/odbc,cross1154/odbc,sanatgersappa/odbc