bugfix: escape js string in a template
Refresh page on template change.
Merge pull request #3012 from yakky/feature/fix_3009

Refresh page on template change.
Merge pull request #3005 from ollb/bugfix/escapejs_page_tree_base_html

bugfix: escape js string in a template
fixes issue #3003
Merge pull request #3014 from FinalAngel/develop

fixes issue #3003
fix an issue with saving collapsable states
Merge pull request #3016 from FinalAngel/develop

fix an issue with saving collapsable states