Ignore eclipse files in eclipse sub-projects
add apply button to PreviewWorldScreen #1231
replace *-import
Merge PR #1277 by @msteiger - eclipse tweak
Merge #1308 by @meniku - apply button for world preview - fixes #1231
Fixed checkstyle errors in DynPrioQueue
Merge pull request #1313 from msteiger/dynprioqueue_cleaned

Fixed checkstyle errors in DynPrioQueue