adding lgoout button, hiding call buttons before login
making DTMF feedback tones optional
Optional save display name and sip adress
fixing logout function, not to modify credentials and instead fill login from cookie
giving config priority over cookie to display username and address on login form
config option to clear dialing box after call
show controls by default in the webcam viewer, removed fullscreen button
resizable and draggable webcam display
send DTMF on button press instead of press and release
allow clicking URIs from previous/missed calls
Revert "allow clicking URIs from previous/missed calls"

This reverts commit 3332969a29ee5212cafc5f81872691b33628399b.
allow clicking URIs from previous/missed calls
conflicts
Merge branch 'utils' into merge

merging utils branch