fix minor GUI typo
update copyright header
make Insight gateway able to save well sample images
allow save-as for well sample images
minor tweaks to improve overall PR
revert changes to Insight gateway
do not pass WellSampleData to Insight gateway
Do not recycle the save menu and enabled items

Enabled items depending on selected data objects.
Merge pull request #8 from jburel/trac-11834-save-well-image

Do not recycle the save menu and enabled items
Merge pull request #1933 from mtbc/trac-11834-save-well-image

fix #11834: wells can be batch-exported