AI-690 :  show "Sorry, your permissions have changed and you are no longer authorized to perform this action." instead of "Server Error"
AI-717: "Open Form Designer" button in Design view enabled for all children of form tree nodes
Merge branch 'version4' of github.com:bedatadriven/activityinfo into version4
Merge branch 'master' of https://github.com/bedatadriven/activityinfo
Merge branch 'production2-hotfix'

Conflicts:
	server/src/main/java/org/activityinfo/i18n/shared/UiConstants.java