modify BundleResource template api for handling attributes update

modify BundleResource template api for handling attributes update

- remove set,get request handle apis for handling single attribute in bundle resource template to make template simple
- reorder the apis
- modify samples due to the change of resource template apis
- modify bundle resource to make container and bundle use shared pointer

Change-Id: I7b87ffc2e405aedd290a13b3b392063d785f8814
Signed-off-by: Minji Park <minjii.park@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/3027
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>