updated changelog
Don't apply legend style on nested fieldsets
Merge pull request #1394 from opf/release/fix/7623_fix_fieldset_legend_style

[Release][Fix] 7623 fix fieldset legend style
Merge branch 'release/3.0' into dev

Conflicts:
	doc/CHANGELOG.md
Prepend additional member view scripts

This change by itself is unjustified. But an error in a plug-in's
JavaScript code forces me to apply it because fixing that error would
mean to rewrite a lot of Prototype code.
Merge pull request #1397 from opf/update-selectable-title-on-query-change

Update selectable title on query change