Updated URI parsing code in server and added code to keep observed resources list...

Updated URI parsing code in server and added code to keep observed resources list in client

Change set include below given changes:
1. Updating Javadoc comments
2. Eclipse plugin UI fixes.
3. Updated sample RAML file without OIC related information.
4. Handling exceptions.

Change-Id: I13d51876fdf6df72e09b74277dd4a813aa7ed8c9
Signed-off-by: Harish Kumara Marappa <h.marappa@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/2599
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>