reskin custom menu
implement all other notifications for popup content view controller
migrate project to comply with xcode 6
begin implementing native menu option
finish re-implementing native menu, still need to add multi-machine management
add 'all machines' commands, fix 'destroy' command not appearing for non-upped machines, add 'suspend' command
fix button positions on manage bookmarks window
remove custom view option from preferences
fix bookmark re-name bug and add Manage Bookmarks to menu
remove default theme logo and unneeded logo icons
individual machine submenus
add icons for vagrant actions
code cleanup
add cancel button to task output window
add preference to include machine names in top-level menu labels
add confirmation when cancelling task
add refreshing animation to status bar icon
fix cancel button position on task output window
hide SSH action on top-level actions if instance has multiple machines
update readme