Navigator update: better conversion to behaviors, better property editing, better version control, and send to private commands

[Geoff Canyon]

I updated the 5.1 alpha of Navigator. You can download Navigator 5 here
<https://www.dropbox.com/s/bcqxxriwzzjcm45/navigator_5.zip?dl=1>. The full
documentation is here
<https://gcanyon.wordpress.com/navigator-documentation/#updates-for-5.0>,
and there is a description in detail of how conversion to script-only stack
behaviors works here
<https://gcanyon.wordpress.com/navigator-convert-to-behaviors-details/>.

New features:

 -- Use your own naming convention for script-only stack files. Whatever
you can do in a line of LC script, you can use to name your stacks.
 -- A "Restore from Behaviors" command. This will do unhelpful things
(duplicate
scripts) for complex, chained behaviors, but I've used it about half a
dozen times with Navigator to restore and re-export Navigator's code using
the new naming feature.
 -- The Custom Properties menu now supports deleting properties and
property sets.
 -- The Property Editor now supports custom properties.
 -- The Property Editor now highlights values that aren't the same for all
the controls selected.
 -- The Property Editor now has a popup menu that displays each of the
values for the property for the selected controls -- these two make finding
and syncing discrepancies easy.
 -- The contextual menu for stacks now supports updating all script-only
stacks from disk, making it unnecessary to quit and restart LiveCode after
changing branches in source control.
 -- The Scripts menu now supports sending to private commands and functions
for testing.