Fix typo in bin/theme
Remove whitespace and indent case statements

Case statement indentation a la https://github.com/styleguide/ruby
Display message while uploading and removing assets

This commit creates a method, `show_during`, which shows a message
before doing a thing, does the thing, then prints carriage returns to
hide the message.
Use the real time when printing messages

For slow connections or large files, the timestamp is often wrong
because it's saved at the start of the action, not on completion of the
action.
Interpolate rather than concatenate and methodize timestamp
Merge pull request #98 from SuguToys/progress-messages

Display message while uploading and removing assets