Integration of Tizen RI layer and Routing Manager build in Jenkins

Integration of Tizen RI layer and Routing Manager build in Jenkins

1) Added Tizen scons for csdk libs and sample for IP transport
   in auto build.
2) Updated Tizen, Linux and android scons to build ROUTING=GW
   option in auto build.
3) Updated Tizen CSDK build script to return error on failure.
4) Added README for build procedure and execution of CSDK samples.

Change-Id: I6c9eb8fad8cb441658d8bdd5852ce5b50575f5ea
Signed-off-by: vimala.v <vimala.v@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/2921
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Patrick Lankswert <patrick.lankswert@intel.com>