rails3: path proxies to request.path in rails3, which doesn't include query params
rails3: path proxies to request.path in rails3, which doesn't include query params

Change-Id: I278ac02f4f9f89a4cc11532c85c98f615304f360
Reviewed-on: https://gerrit.instructure.com/30162
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Product-Review: Derek DeVries <ff87a0776152510efd53bb1f4ea089dbbc90e730@instructure.com>
QA-Review: Derek DeVries <ff87a0776152510efd53bb1f4ea089dbbc90e730@instructure.com>

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