Elimination of base.twig, moved/renamed nav includes and dashboard components
Beware, extensions using old_extensions.twig now are untested
Moved view/editfields/ to view/twig/editfields/
Fixed bug with strict variables and handler.upload in editfields/
Improved page documentation
Fixed display of changelogs
Refactored editcontent and dashboard
Refactored page template: about
Refactored page template: activity
Merge pull request #1445 from rarila/ui-work-2

Ui work 2