Merge pull request #8 from nikkiii/master

Add request uri validation for static files
Added a Builder class to the server.
Preparing for the next developement iteration.
Added support for custom TemplateManager.
Minor improvements.
Added validation for webages.
Refactorings
Added annotations for templating. This broke the backwards compatibility.
fixes
The routing is opened the same way as the templating and sessions got opened.
extended javascript
increased netty version
removednbactions
huge refactor
Fixed an NPE
renaming
refact
refacts
replaced the SESSID with a constans
cleanup