Add BaseInteractionScreen to help create screens with less plumbing.
Ignore eclipse files in eclipse sub-projects
add apply button to PreviewWorldScreen #1231
replace *-import
Fixed checkstyle errors in DynPrioQueue
allow to cancel world preview
add error label
ensure that only valid colors are generated
add progress percent to wait popup
Update readme - F1 clarification, two new modules, new contributor
Adding ImmutableBlockLocation for other classes to use, for example as a key in maps.