Migration to Vertx 3

* Bump parent version
* Updating API
* Updateing Tests
* Removal of module building
HK2VerticleFactoryTest cleanup
Merge branch 'vertx-3.0.0-SNAPSHOT' of github.com:Jotschi/vertx-mod-hk2 into Jotschi-vertx-3.0.0-SNAPSHOT

Conflicts:
	src/test/java/com/englishtown/vertx/hk2/HK2VerticleFactoryTest.java
Add spi VerticleFactory resource file for ServiceLoader and fixed up vertx injection to use the correct instance.
Update travis for jdk 8
Rename module to extension (mod / ext)