Added simple query example for non virtual resource in C samples.

Added simple query example for non virtual resource in C samples.

Added test case in C client to send GET request for the light
resource with query 'power<30'. Added simple query parsing example in
C server.

Change-Id: I3fea41e2e2094797d76d9c2f7574cf1d43dd66e9
Signed-off-by: Mandeep Shetty <mandeep.shetty@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/884
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sakthivel Samidurai <sakthivel.samidurai@intel.com>
Reviewed-by: Erich Keane <erich.keane@intel.com>