Update resource models of easy setup in Enrollee side

Update resource models of easy setup in Enrollee side

There are 4 resource modesl in Enrollee side:
1. Provisioning resource
 - provisioning status and trigger properties
2. WiFi resource
 - WiFi ssid, password, security type, etc.
3. CloudServer resource
 - Auth code, Auth provider, etc.
4. DevConf resource
 - Device name, language, country

Change-Id: I31a088b7cde8178d9ddd951ac0641989706dc249
Signed-off-by: Jihun Ha <jihun.ha@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/8429
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>