Fix #165

Fixed deprecated methods in clock demo. Added a note about
JList.getSelectedValues(), but I'm not in any rush to break JDK 6
compatibility just for that method.
whitespace
Fix #164

Removed the extraneous "false". This is code copied from Enlive, so I
don't really know the history either.
Fix #163

Fully-qualify return value type hint on seesaw.cursor/cursor.
Fix #162

Added missing (expect) wrappers. Amazingly, tests still pass.
Fix #161 grrrr

Fix cussing arg-list-before-doc-string issues.