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.
Merge pull request #12 from galderz/t_more_scala

Add more Scala examples