modify bundle resource and request handler to update multiple attributes

modify bundle resource and request handler to update multiple attributes

- modify set, get request handler in the container
- add setAttributes in bundle resource to update multiple attributes
- modify protocol bridge, softsensor resource template and samples

Change-Id: I361c0b2a8d01f3a783e2a22bb2469aee0445a9e0
Signed-off-by: Minji Park <minjii.park@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/2585
Reviewed-by: Markus Jung <markus.jung@samsung.com>
Reviewed-by: Hun-je Yeon <hunje.yeon@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>