ERT-552: Using util_mkdir_fopen() when writing surface files - to ensure that directories are created.
ERT-552: Added testing of geo_surface_fprintf().
ERT-549 - Magic strings substitution in paths in config files in IDE
ERT-341 - Create python wrappers for the PCA plot data 'classes'
ERT-341 - Fixed a bug related to histogram plotting of non-simulated data types
ERT-549 - Added support for defines that refers to defines.
Merge remote-tracking branch 'upstream/master' into ERT-549
Merge pull request #415 from joakim-hove/ERT-552-surface-create-directory

Ert 552 surface create directory
Merge pull request #419 from jepebe/ERT-549

ERT-549 - Magic strings substitution in paths in config files in IDE
ERT-556 Fix Export plot naming bug. Removed current case name from default path
ERT-556 Fix Export plot naming bug. Added "remember" last export path
ERT-341 - Code cleanup
ERT-341 - Added several classes to support pca creation
ERT-341 - Added fetcher for PCA plot data
Merge remote-tracking branch 'upstream/master' into ERT-341
ERT-556 Clean up
Merge pull request #426 from iLoop2/ERT-556

Ert 556 Fix Export plot naming bug
Merge pull request #425 from iLoop2/ERT-468

Ert 468 Hard killing of workflow, started from GUI
ERT-549 - Added support for optional arguments and non-existing paths.
Merge remote-tracking branch 'upstream/master' into ERT-549