removing leading space within the sqlite dsn (#1292)
removing leading space within the sqlite dsn (#1292)

the extra space was causing the below error when using an absolute path like /home/my.app.sq3
Unable to connect to the specific sql server: SQLSTATE[HY000] [14] unable to open database file
peter17/Propel2,peter17/Propel2,cristianoc72/Propel2,propelorm/Propel2,propelorm/Propel2,ikeyan/Propel2,ikeyan/Propel2,cristianoc72/Propel2