Merge branch 'master', remote-tracking branch 'origin'
Widgets / Fix language list configuration examples.
ISO19139 / Improve translation (Add missing GML elements, Comment helper only relevant for France).
Widgets / Editor / Properly trigger metadataUpdated event after form is initialized.
ISO19139 / Ordering instruction requires a medium textarea for easier editing.
Widgets / Layout / Center view and editor map widget.
ISO19139 / View mode / keyword type is not translated (#1257), ISO19139 profile / topicCategory not translated (#1256)

ISO191319 / Add some block level element.
Thesaurus / add date or datetime according to thesaurus info.
Merge remote-tracking branch 'origin/master'

Conflicts:
	web/src/main/webapp/WEB-INF/data/config/schema_plugins/iso19139/convert/thesaurus-transformation.xsl
Merge remote-tracking branch 'origin/master'
Improve French translation (Thanks Etienne Taffoureau).