CLC-1210 Rudimentary proxy for CalLink
CLC-1210 Add recording of fake CalLink data
CLC-1210 Add caching at CalLinkProxy level
CLC-1210 Introduce CalLink to MyGroups merged model
CLC-1210 Proxies should not allow anon access; fix unit tests to enforce this; fix unit tests for CalLink Groups
CLC-1210 Add testext test for CalLink proxy
CLC-1210 Filter out duplicate orgs; tweak logs
CLC-1210 Refactoring per Ray's suggestion to make CalLink and Sakai proxies more like the others; collapse SakaiCategorized into SakaiProxy
Merge pull request #691 from ctweney/clc-1210

CLC-1210 Proxy for CalLink groups
CLC-434 API support to check whether the user has a Canvas acccount
CLC-434 Stub out Canvas account check for faked access