* Add a default message to badge award action
Because:
- The only badges routinely awarded manually use the same message
- Right now, unfriendly/unsafe UI can result in an error notification
The only badges that are currently awarded manually (afaik) have the
message "Congrats!!!" so for the time being, if a message is not
supplied to the UI, it will simply use the "Congrats!!!" message as a
default.
That being said, I'm not totally convinced this message won't work for
the long term. Generally, if we are awarding badges by hand, I'd imagine
we'd want a specific message explaining why we are doing that, or just
be okay with "Congrats!"
After talking with Peter about it, the longer term goal should be to
move badge messages into the database so they can be modified in the app
and not hardcoded. That also make sense regarding the effort to
genericize the app eventually.
* Test Badge notifications
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