Add asciidoclet usage for javadoc and fix author tags in javadoc

See https://github.com/asciidoctor/asciidoclet for more information
Additionally this fixes building using jdk 1.8
Cleanup of junit tests

* Move duplicate code in shared abstract class
* Use static imports for junit asserts
* Move shared setup/teardown in abstract class
Add Neo4j HA cluster support to neo4vertx

* Cleanup configuration code
* Add Neo4jGraphDatabaseHAServiceFactory for HA support
* Add neo4j ha maven dependency
* Add documentation within readme
Merge pull request #2 from Jotschi/f-ha-support

HA Cluster support and various cleanup work.
Incremented version to 1.2.0 to reflect new functionality addition: HA Cluster support.
Added Johannes to the developer list in pom.xml and mod.json.
RESTful Cypher query, two tests passing.
Added restUrl setting to neo4vertx.conf, added to Configuration.
First refactoring to move neo4vertx to one message type: query.
Changed mode names to more understandable default/cluster/remote. Theoretically implemented remote mode.
Completed unit tests.
Merge pull request #3 from rubin55/master

Huge overhaul, obsoletion of Nodes, Relationships, Complex in favour of Query
Added basic CRUD tests, work in progress on usage in README.md.
Added a basic usage example to README.md and a very basic example.
Added a very basic usage example.
Small update to the examples path in the README.md.
Updated README.md for the example.
Moved example README.md.
Updated example README.md
Updated the version in the deployment statement in app.js.