Merge pull request #1 from M0rfic/master

Few things
Remade structure
Changed the log configuration
Added a couple of new levels thanks to my class
Finished cleaning up levels
Added dummy reference file
Sound effects
Going to change key input to jinput tomorrow
corrected groupId
Added a separate sound volume slider
Visual representation when you hover over button
Cleaning up
Merge branch 'master' of https://github.com/Dalthow/Etaron
- split app into modules
- created base web service and client
- introduced spring
- refactored resource loading [Step 1]