Small fixes for tables. Still need to implement outline views and refactor so Shelley can easily implement table support
Refactoring Mac hierarchy dumping to make tables easy to implement in selector engines
Add support for outline views
Refactored Mac coordinate-flipping code into a single category class method
NSTableView code no longer relies on bindings
Fixed missing return value
Update FRANK_LDFLAGS so that we don't have to detect platform at the time of frank setup
Added click and double-click methods for the Mac