Partially mavenize
Invoke NTSystem.getDomain dynamically
Update main POM file
Rename sk.stuba.perconik.debug to sk.stuba.perconik.core.debug
Divide preferences and UI plugins, fix some stuff
Fix debug plugin directory, temporarily remove it from build
Add sk.stuba.perconik.core.feature, fix some stuff
Make POM hierarchy better, fix build
Set sk.stuba.fiit.perconik version to 0.3.0