move java sources to src/java
move UncheckedIOException to file of its own; suppress some warnings
Merge branch 'master' into add_original_src

Conflicts:
	build.bat
	example-plugins/NtfsStreamsJ/build.bat
	templates/build.bat
fix #14: SWTWLXPlugin.listCloseWindow(int) (probably); add type parameters
fix #14: SwingWLXPlugin.listCloseWindow(int); removed unnecessary casts and used auto-boxing