Fixes time parsing

I believe there is an issue underscore.js and it can't iterate over the
fields of the object in some cases, so it can't format the timestamp
fields.

This bypasses the need for the underscore.js iterator, it explicitly
converts the fields named ts_created and ts_updated.
Merge pull request #110 from lukecampbell/1537time-r2

OOIION-1537 Fixes time parsing R2