Display rules multiline
fixed race condition, loadingWidget is not yet defined
don't hide loading indicater if data.json request is still pending
timeout the getting of sensor values to prevent long waiting times
fixed timedout attribute value is undefined instead of has null value
handle null value
Merge branch 'development'

Conflicts:
	doc/assets/behavior.js
version bump
added lock button. On lock the drag and drop handles are removed and the add a item list item is removed.
added buttons!
fixed not hideing add item because it has display block
added missin added messages
save editing mode state
focus input field on dialog open
fix ups
updated docs
added missing button-predicates file
Removed autogenerated docs from git
Removed autogenerated docs from git
hopefully fixed toast popup positions