fixed issue #28

Added comment clarifying what happens when 'unassign' is clicked in
stage edit page. Fixed typos.
Merge pull request #80 from LisaHelm/master

fixed issue #28
Fixed issues 32 and 36

David Daniels & Nikos Phillips
Prop and backdrop scaling has been changed
Remove video avatar code we forgot about
Merge pull request #81 from dekpient/master

Remove video avatar code we forgot about