Fix various minor configuration issues.

Signed-off-by: amit <amit@wibidata.com>
pom cleanup and added README documentation

Signed-off-by: Shashir Reddy <shashir@wibidata.com>
Added copyright to pom.xml
Changed the parameter name to reflect the query param coming in.
Fix the pom.xml
REST-4. Implements POST using application/json input.