Adding Raml and JsonSchema Parser changes for

Adding Raml and JsonSchema Parser changes for

1. Doxygen comments.
2. Klocwork fixes.
3 prevent issue fixes.
4. added smart pointer implemetation for JsonSchema Parser.

Change-Id: I8a6ff026fb9b03932ab7c15a19631143e0c653fa
Signed-off-by: Abitha Shankar <abitha.s@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/2563
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
Tested-by: Madan Lanka <lanka.madan@samsung.com>