Merge branch 'master' into easysetup and fixed OCStack issue

Merge branch 'master' into easysetup and fixed OCStack issue

1) Merged latest master branch code to EasySetup branch
   - Needed as latest Security Layer apis have to integrated to EasySetup branch
2) OCConnectivityType Enum is modified in latest master branch code
   - Changed EasySetup implementation which is using the enum
3) Created json tags for EasySetup json attributes and used it EasySetup implementation
4) Optimized some of the EasySetup implementation
5) Reverted back caipnwmonitor.c modifications performed for resolving the network notification issue in Android
6) Added Broadcast listener code for listening to Android Soft AP enable and disable notification in Android
7) Fixed OCStack memset issue

Conflicts:
	resource/csdk/connectivity/SConscript

Change-Id: I9ccd911c560b30aae1e9d5cb6b1356cca947c884
Signed-off-by: Madan Lanka <lanka.madan@samsung.com>