* First POC for external extension loading
* Fix NPE
* Urlhandler
* Fix
* Polish
* Polish
* Urlhandler
* Trying Urlhandler
* Alternative way to load extensions
* Polish
* Add example extensions and smoke test for their usage
* Support for system property
* Polish
* Avoid doing remapping twice
* Polish after merge
* Update to latest changes in extentions api
* Polish
* No need for tooling
* Simplify
* Cleanup
* Better error handling
* Update to the latest API