added includemod example for javascript

accordingly to "http://vertx.io/mods_manual.html#including-the-resources-of-modules"
Send appropriate json message
Add Clojure examples.
first scala examples
complete scala examples and module
Adjust contributed Scala examples to run with latest Vert.x Scala code

* Minor formatting changes in README file to better present
information and links.
* Minor formatting of logging messages.
* Changed HTTP upload example to work with Scala functions
instead of Java handlers.
* Fixed RouteMatchExample to work with latest API changes.
* Removed all java conversions since lang-scala now uses Scala
collections exclusively.
Add @stream1984's core.async example.
Merge pull request #5 from CansaSCityShuffle/javascript-includemod

added includemod example for javascript
Merge pull request #6 from nscavell/eventbusbridge-fix

Send appropriate json message
Merge pull request #9 from tobias/clojure-examples

Add Clojure examples.
Merge pull request #12 from galderz/t_more_scala

Add more Scala examples
Correcting typos
Correcting typos
Merge pull request #14 from LostInBrittany/master

Correcting some typos in Groovy samples documentation
fixed typo
Updates to the clojure examples, including:

* lein-based examples now use the latest mod-lang-clojure and clojure
  versions
* examples that start servers now have completion handlers that print
  exceptions or welcome messages
* the upload client now properly converts the content-length header to
  a string instead of throwing an exception
Merge pull request #15 from tobias/clojure-example-updates

Updates to the clojure examples, including: