build: Update to 1.3.0

build: Update to 1.3.0

Note libcoap still uses IoTivity-1.2.1 branch:
extlibs/libcoap/SConscript

It could be updated in later patch, to be tracked on this page:
https://wiki.iotivity.org/build

Change-Id: I92e93372886380e716c6bf9212035c3925df415a
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16831
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Habib Virji <habib.virji@samsung.com>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>