finish cam-980

add new checkFingerprint Function tp key model
and cmobject
Merge remote-tracking branch 'origin/dev' into dev
update header at route purl
fix widget
fix beate-purl-bug
update purl header handling
update token handling
try to scroll to recipient list
cm-scroll-to
solved cm-scroll-to for conversation message / message file loaded / recipient-list search
Merged 'dev'.

Conflicts:
	app/comps/conversations/drtv-recipients.html
	app/comps/ui/drtv-header-list-search.js
	app/comps/ui/drtv-scroll-to.js
	app/comps/ui/drtv-search-input.js
	app/routes/conversation/recipients/conversation-recipients.html