JSON breaking with trailing comma in Open Badges and Activity Streams profile updates

[Matthew Kliewer]

There's a trailing comma that breaks the JSON in the versions property (generatedAtTime) in the recent Open Badges and Activity Streams profile updates:

Open Badges

df078fd#diff-7189be34380d3455d86180af12c8c629R20

Activity Streams

df078fd#diff-55e0889e53bc346f249a18c5d4f53ec6R20

Thanks!

[Trey Hayden]

Corrected with #83