Uwosh-default

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* add referrer url to what is captured if it is available

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* stop sending an email for every error we get--only send emails every minute for 500 errors
and a summary email every day for the rest

* add an error report view to see the current urls and their errors.

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* more advanced error handling
[Nathan Van Gheem]

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* updated dependency situation

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* updated all the portal_actions

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* Initial release