- Changes from PR #560 (contributed by salamanderrake).
- KDevelop accessor plugin added (switched to it in settings).
- Closes UE-4724.
[CL 2348971 by Dmitry Rekman in Main branch]
- Minor fixes, Linux-specific additions (like preferred source code accessor setting or building ForsythTriOO) and tweaks (log level, etc).
#codereview Josh.Adams
[CL 2237893 by Dmitry Rekman in Main branch]