CLC-3197 Sketch of a possible generic way of handling proxy errors
CLC-3197 Revise generic proxy exception handling style
CLC-3197 Smarter way of telling when TorqueBox features are available
CLC-3197 Update readme
CLC-3197 Introduce and test the DelayedCacheCleaner
[CLC-3057] Textbooks: bookstore returns different reasons for finding no books - should we?
Removed CSS class cc-updated-feeds-loading
Merge pull request #2084 from chikoon/CLC-3189-rm-prompt-checking-4-data

CLC-3189 - LiveUpdates: Eliminate the "checking for new data" prompt (Part 2)
Merge pull request #2077 from ctweney/clc-3197

CLC-3197 Generic proxy error handling scheme (initial)
Merge pull request #2080 from haroonrasheed333/CLC-3057

[CLC-3057] Textbooks: bookstore returns different reasons for finding no books - should we?