initial commit  dynamic sections.
Merge branch 'master' into dynamicTemplates
some progress on dynamic sections
Merge remote-tracking branch 'origin/dynamicTemplates' into dynamicTemplates
almost done, just one  bug with presistance of number of sections
same again, almost done but problomatic behaviour on removal of sections (only last can be removed properly)
Merge branch 'dynamicTemplates'

Conflicts:
	app/js/menu.js
fix fix fix....url validation