Java SDK and Eclipse plugin for simulator.

Java SDK and Eclipse plugin for simulator.

1. Java APIs for service provider and client controller.
2. Added client controller eclipse plug-in.
3. Minor changes in service provider eclipse plug-in for
   config file handling.
4. Included RAML configuration file for light resource in plug-in.
5. Handled exceptions till plug-ins.
6. Included license header and javadoc comments in plug-ins.
7. Updated the java sdk method names in platform and device info classes.
8. Handled review comments [Added license header and included comments in all
   the source files of plug-in, and updated comments in Java APIs]

Change-Id: I17181691a48b2f54cf3b9f46435fe7f09f8076cb
Signed-off-by: G S Senthil Kumar <senthil.gs@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/2493
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>