* breaking upgrade base build image to net5.0
* add make and build tools to image
* fix code broken after net5.0 upgrade
* fix warnings
* fix tests and line endings
* upgrade dotnet test and coverages packages
* update circle build image
* removed rafty and updated more packages
* bring back develop
* rename authorisation to authorization
* #464 added code to request mapper to not automatically add content type and content length headers, .net will automatically try and add these headers in a few circumstances but this solves the 464 issue
* #464 use seek instead of read on body check for websockets tests
* #464 ran out of inodes on linux, looks like reloadonchange causes this
* squash SA1649 warnings (file/type name mismatch)
* squash SA1127 warnings (generic constraint on own line)
* squash SA1507 warnings (multiple blank lines)
* squash package analysis warnings re: summary text
It's not actually possible to provide a summary right now as per
https://github.com/NuGet/Home/issues/4587
* squash missing castle.core reference warning
* squash obsolete method warnings re: AddOcelotBaseUrl
* hacked together load balancing reroutes in fileconfig
* some renaming and refactoring
* more renames
* hacked away the old config json
* test for issue 213
* renamed key
* dont share ports
* oops
* updated docs
* mvoed docs around
* port being used
