Cleaning pom.xml
Cleaning pom.xml

- Add memo about publishing javadoc to github using github plugin
- Removed jacoco configuration which has been ignored for a while
- Add configuration to suppress harmless warning on Eclipse
- Updated dependencies. (Remove cassandra, etc.)

Change-Id: Ic896345ac8537cb892e98fb2517a9371052d2fdc

opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open