Modify Consumer Logic

Modify Consumer Logic

- Modify name of the internal member values (ex> _addr->i_addr).
- Modify data type for message ID & message TTL (uint64_t: %ld->%llu).
- Modify storage(NSMessage/NSProvider) logic
- Remove unnecessary task logic (TASK_RECV_READ/TASK_RECV_DISMISS).
- Remove unnecessary comments & Modify typo

 . patch#1: initial commit
 . patch#2: modify typo
 . patch#3: remove tab
 . patch#4: update review comment

Change-Id: Iedafc2c6f605656d38b5e5354f1d57b6827566ca
Signed-off-by: YounghyunJoo <yh_.joo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/9117
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>