* MM-13838 Bypass the HTTP client when getting image dimensions from the proxy
* Add additional log messages to debug failing test
* Fix unit test to work on Jenkins
* MM-10417 Add local image proxy and enable by default
* Remove unused function
* Add dependencies for willnorris/imageproxy
* Fixed compilation errors
* Lock to the master version of willnorris/imageproxy
* Fix atmos/camo proxy when no SiteURL is specified
* Re-add default values for deprecated settings
* Fix unit tests added by merge
* Pass imageproxy to App struct
* Remove unneeded locking when creating the image proxy
* Remove empty test file
