Clean up cmake configuration a bit, and pull down gtest when needed, no longer use a thirdparty subfolder
Add a ResInsight-tests target to run the unit tests
When importing new wells, consider all wells when connecting multi segment wells
Make sure that import of individual well paths will give the same ordering as importing all wells in a single operation.
* #7885 Update opm-common with optimized coordinate import
* #7885 Allow null as default result from a script method
* #7885 Propagate default parameter values to generated Python code
* #7885 Add CommandRouter as hub for worker methods
* #7885 Add support for use of CommadRouter from Python
