Better loading message
Better loading message

Summary:
This one has been bugging me.  Today I saw someone
complain about it, so stepping up now to actually make a fix.

The new one is funnier anyway. :-)

Reviewers: kylec, paulruan, zbarsky, haoyi, jhurwitz

Reviewed By: jhurwitz

Subscribers: jhurwitz, simon, changesbot

Differential Revision: https://tails.corp.dropbox.com/D151504

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