Code clean-up, Bug fixes and enhancements in eclipse plug-ins.

Code clean-up, Bug fixes and enhancements in eclipse plug-ins.

1. Enhanced resource deletion UI.
2. Resolved minor issues.
3. Removed unnecessary code.
4. Added code to set the device and platform information from server linux sample.

Change-Id: I5eebd95614e0aefb221cd3b5bc9930d676b40c41
Signed-off-by: G S Senthil Kumar <senthil.gs@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/4335
Reviewed-by: RadhaBhavani <radha.p@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>