Notify Sentry when repo activation fails

https://trello.com/c/VcZ1JoDq/225-notify-sentry-when-repos-fail-to-activate
do not retry Octokit::Unauthorized
Add missing expectation
Use cached GitHub responses when 304 is returned

https://trello.com/c/1qeitvaD/204-address-rate-limiting
Add default style guide test coverage
Update octokit to 3.0.0

https://trello.com/c/CHslAnNh/165-upgrade-octokit
Improve layout for mobile devices

https://trello.com/c/2KpPDwLa/207-clean-up-layout-on-mobile-devices
Bump rubocop to 0.20.1

https://trello.com/c/ECCr8yci/199-upgrade-rubocop

* Replace DefWithoutParentheses with MethodDefParentheses
* Replace ReduceArguments with SingleLineBlockParams
* Replace SpaceAroundBlockBraces with SpaceBeforeBlockBraces and SpaceInsideBlockBraces
* Remove SymbolName
* Replace config for DefWithParentheses with MethodDefParentheses
* Update DotPosition configuration to new style
* Remove SingleLineBlockParams
* Update RuboCop configuration
Fix toggle switch positioning
Cache responses even when Cache-Control is private

* Cache requests to limit requests that count against rate limit
* Use Marshal for serialization instead of JSON because of serialization issue

https://github.com/plataformatec/faraday-http-cache/issues/38
Enable DotPosition rule
Set up and use New Relic

https://trello.com/c/WKSxzMlK/234-set-up-new-relic
Remove link to thoughtbot's style guide on homepage

Having a link to thoughtbot's style guide obscures that hound is
configurable.

https://github.com/thoughtbot/hound/issues/203
https://trello.com/c/wYwsF46g
Minor rule updates

* Test method chaining
* Enable IndentationConsistency rule
* Remove remaining pending tests
Test named arguments
add timestamps to repos and memberships
Add indexes

* Add index to users for remember_token
* Add index to repos for active
* Add unique index to repos for github_id
Use Resque instead of DelayedJob

https://trello.com/c/adsxS8Sv/197-use-resque

* Create JobQueue to abstract queue choice
Tell Travis to use redis
drop repo.name and remove from code