fix sample and add link to full documentation
check server certificate, better 404 handling
using correct maven project structure
Fixed example code

Changed the code in README into a working example for the current API.

I am aware that this version does not include proper exception handling,
which might be okay for this small introductory example.
Merge pull request #2 from cyroxx/fix-example

Fixed README example code
adding license header
use same package for code and tests
use staging server for unittests
fix issues with updateNotification and syncURI
reverting some changes to pom.xml
Update POM file and eclipse settings to Maven Central compatibility
By default skip sign step