Maintenance Release

A few bugs uncovered after the V1 Release are fixed:

Fixes #642 -- the stage scaling was not being updated properly so
the coordinates passed to overTrash were wrong
Fixes #640 -- don't match to blocks in the trash when looking for
action names
Fixes #637 -- tempo block can support multiple beats per minute
Fixes #641 -- properly restore beat factor after leaving divide
beat factor block
Fixes #638 -- Default for hertz block
Fixes #632 -- re-enable block highlighting when running full speed
Fixes #630 -- added missing rows and columns for labels
Fixes #629 -- regression in tuplet note value display
Fixes #628 -- visual bug specific to status block
Fixes #625 -- only push to status block when connected to a print block
Fixes #624 -- consider beat factor when calculating note count
Fixes #402 -- Fix background block; add background to palette menu