Introduced vert.x endpoint components
Manage Vert.x instances and cache them by default so minimum of Hazelcast instances are used
Implemented single vertx instance factory and vertx producer
Use publish subscribe domain flag in vert.x message producer and rename vert.x instance manager
Implemented vertx endpoint component and first unit + integration tests
Add synchronous Vert.x endpoint implementation
Add new vertx module to assembly descriptors
Added Vert.x endpoint documentation to reference guide
Use instance factory from Spring application context in all vertx endpoints
Merge branch 'vertx' with Vert.x support