ERT-652 Added support for gen param
ERT-652 Added exporter to figure out export method
ERT-652 Refactor out the export logic from the GUI
Merge remote-tracking branch 'upstream/master' into ERT-652

Conflicts:
	devel/python/python/ert_gui/tools/export/export_tool.py
ERT-652 Fix after merge
ERT-669: Fixed init bug iterated_ensemble_smoother
Merge pull request #538 from chflo/ERT_669_init_iterated_es_bug

ERT-669: Fixed init bug iterated_ensemble_smoother
ERT-652: Minor change after review
Merge pull request #539 from chflo/PR_537

ERT-652 Export of GEN_PARAM and refactor of export_panel.py