formatting
be extra cautions about being NSNotificationCenter observer
refactor lastFocusedRun
switch to testable target when running focused tests
make Xcode happy about HIDPI artwork
clarify how to override shortcut for menu items
take advatage of compiler when using Xcode defined classes
described IDELaunchSession and IDELaunchParameters...
described IDESourceCodeEditor and friends
describe IDEWorkspaceDocument and friends
formatting
move Xcode interfaces into a separate file
turn on bunch of warnings