Running the client for prolonged periods of time freezes Firefox.

[asheera-dolinsky]

I left the client running for more than an hour once. When I returned to it, Firefox was unresponsive and needed to be process killed.

[simlay]

Yeah. I've had similar issues when sending a ton of records. We definitely need to look into it.

[nacardin]

We should probably add longevity tests for this