Merge pull request #552 from gisweb/github-main

Fixed error in inserting plominoFieldClass of fields with no widget choice
less confusing button label in datagrid inline edition
version 1.18.6
do not crash if no source view or no label column in doclink field
Merge pull request #553 from gisweb/github-main

fixed bug in _handleLabels input group condition
Merge pull request #2 from plomino/github-main

merge with plomino/github-main upgrades