added sample configuration files
moved frontend code to directories following Maven convention, dropped libraries that are managed by Maven
moved backend code to directories following Maven convention
added Maven POM
dropped old test data
dropped old CoCAEx frontend code
dropped Netbeans build mock files
dropped Ant build files
dropped WAR distribution file
dropped OPSWI documents
Added default groups creating on backend side.
Changed format of JSON between frontend and backend.
Modified backend to accept graph and configuration in json format instead of jar files + added filters
Uploaded original project CoCaEx-compatibility
Initial commit