Modified query parsing to handle all filters.

Modified query parsing to handle all filters.

Earlier the parsing only passed if "rt" and "if" were in the query
which did not work for other filters for non virtual resources.
Function now simply splits the uri on the delimiter '?'.

Change-Id: Iaafd2c5c55140f7c0b9207cf069f1a8e11979b25
Signed-off-by: Mandeep Shetty <mandeep.shetty@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/869
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sachin Agrawal <sachin.agrawal@intel.com>
Reviewed-by: Sakthivel Samidurai <sakthivel.samidurai@intel.com>
Reviewed-by: Erich Keane <erich.keane@intel.com>