Bug2174: XSQL log file is hardcode to /tmp/xql.log

Change XSQL to point to java.io.tmpdir which should be data\tmp\xql.log

Change-Id: I811064dd28ce2f4cdb661c7bf968a1cee21d32be
Signed-off-by: Christopher O'Shea <christopher.o.shea@ericsson.com>
Merge "Bug2174: XSQL log file is hardcode to /tmp/xql.log" into stable/helium