* Revert "#4377 Octave : Use RiaLogging for error messages instead of QErrorMessage "
This reverts commit f758a8edb2.
* Revert "#4380 Preferences : Changing scene font size when geo mech view is open causes crash"
This reverts commit df62a41397.
* Revert "#4379 Documentation : Update command line parser for import of summary files"
This reverts commit d0b5357ed4.
* Unfinished WIP
* Builds but crashes
* Refactored code now builds and runs
* ResInsight can now run the unittests headless
* Can run some command files successfully
* Build on Linux
* Extra headless hack header
* Moved PdmUiItem hack to cpp file
* Fix headless crash in RimWellAllocationPlot
* Handle error gracefully if ExportSnapshots command is executed from console
* Add caf::QIconProvider and remove some hacks
* Also made the greying out of disabled icons work for a couple of cases where it didn't.
* Linux build fix
* #4380 Reimplement fix df62a41397 by @magnesj on top of Headless code changes
* #4379 Reintroduce kode from d0b5357ed4 by @magnesj
* #4377 Restore f758a8edb2 in new Headless code
The text labels are always visible, also through geometry. The line closest to label text was set to no depth test, probably to match the text visibility. This is changed by this commit, and the top line will be hidden by reservoir geometry.
Introduced by https://github.com/OPM/ResInsight/issues/266
