#900 Part 1 - Remove MiniProfiler, Upgrade EF

This is the 1st part of a chain of pull requests that will all be pulled in together. I separated them out to make it easier to review

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This change removes MiniProfiler and upgrade EF to 5.0 (since we're now using .NET 4.5). MiniProfiler was complaining about the EF changes I was making and we don't really use it anyway.