typos, removed unused imports, type inference
Merge remote-tracking branch 'origin/master' into wrk

Conflicts:
	vertx-core/src/main/java/org/vertx/java/core/http/HttpServerResponse.java
Fix test so it reflect correct behaviour of websockets. This was wrong because of a earlier bug in netty
Allow resolving of modules with -mod suffix
changed some mods to have new suffix
https://github.com/vert-x/vert.x/issues/656
[#648] Allow to write a Buffer multiple times
Merge pull request #649 from matasaru/master

typos and other little pedantries
Remove UnreleasableByteBuf as netty provides the same now