* Main Window: add three dock widgets for splitting project tree
* Main Window: move scripts to separate tree widget
* Add eclipse result addresses to data source project tree.
* Grid Calculator: drag-and-drop for calculation variables.
* Grid Calculator: rename to 'Grid Property Calculator'.
* Use constructor instead of nullptr for WindowFlags
* Use constructor instead of nullptr for Alignment
* Disable deprecation warning for QProcess
* Add string split method to RaTextStringTools
* Add caf.cpp used to manage Qt function deprecations
* Use position()
* Show summary data vectors in project explorer for both summary cases and ensembles.
* Enable Drag to be able to drag'n'drop data vector into future summary plot
* Make sure tree is refreshed on reload/replace operations
* Provide case id and ensemble id in drag/drop object in addition to address