Added log4j 2 to the project
* Added dependencies to pom
* Added configuration for log4j (log4j2.xml in WEB-INF)
* Added configuration for log4j to the web.xml
* Replaced sysouts with logs
Merge pull request #33 from tothfn/30

Add log4j 2 to the project fixes #30

* Added dependencies to pom
* Added configuration for log4j (log4j2.xml in WEB-INF)
* Added configuration for log4j to the web.xml
* Replaced sysouts with logs