Fixed spelling error
Use swing component to show map info
Added escape shortcut to fullscreen preview window
Update Render Controls on EDT

- removed redundant intrinsic locking
- fixed some UI changes not called from EDT
Fixed render preview display problem

fixes #241 (github)
fixes #258 (github)
Added iron trapdoor
Merge remote-tracking branch 'upstream/master' into networked_render

Conflicts:
	chunky/src/java/se/llbit/chunky/renderer/ui/Chunk3DView.java