Morphic: directly edit properties in inspectors
make the color of the %pause symbol more yellowish
fixed #506, thanks @haritop!

thanks @haritop, for both the report and for also providing the fix for
it!!
fixed #412 (incomplete sprite-removal)
fixed #507 (limit persistent block zoom to 12x)

thanks, @cycomachead !
Allow loading tools.xml from mirror *or* s.b.e

Using full http://s.b.e/snapsource/tools.xml disallows local repository.
Using relative tools.xml disallows running from local disk but getting tools from s.b.e.
So we try both.
limit persistent blocks zoom to 12
Improve sbe-or-relative to generalize

New method GetURLsbeOrRelative(url) takes a relative URL and tries it first on s.b.e and if that fails as a relative url.
fixed #508 (don’t popup empty menus)

thanks, @cycomached!
Merge pull request #509 from jmoenig/bh

Bh