[Merge] lp:~sjakthol/update-manager/fix-slow-calculation into lp:update-manager

[Sami Jaktholm]

I didn't even thought of that. That sounds a lot better. I chose to use 200 instead of 1000. That spins the loop 61 times on my test system which is more than enough to keep the UI alive.
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https://code.launchpad.net/~sjakthol/update-manager/fix-slow-calculation/+merge/161284
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~sjakthol/update-manager/fix-slow-calculation into lp:update-manager.