Add class description of container bundle API

Add class description of container bundle API

- add class and file description of container bundle API
- remove '-' for parameter description in comments for APIs

Change-Id: Iaca3db8d948657381fdf80350e45b7d783a5672a
Signed-off-by: Minji Park <minjii.park@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/2983
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
(cherry picked from commit d5cea0ae54fbf0980b59bbc60e15392773f39466)
Reviewed-on: https://gerrit.iotivity.org/gerrit/2991
Reviewed-by: Patrick Lankswert <patrick.lankswert@intel.com>