Tizen Enrollee Sample App. and its script files are updated. EasySetup logic and...

Tizen Enrollee Sample App. and its script files are updated. EasySetup logic and Wifi Connection implementation (targeted mobile tizen) are newly updated.
It works fine when tested on tizen mobile Z3.

Change-Id: Iff140fc33bb22ec83fd9c4ee26e6ba5fb05ab91c
Signed-off-by: sy01.youn <sy01.youn@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/10531
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Jihun Ha <jihun.ha@samsung.com>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>