Fix a possible ui block.
Fixes wrong location of the call window. Do not add the close video button in desktop sharing mode.
Add early message processors for all incoming sip messages.
Removes unused border in the account status panel on the top of the contact list.
Early process messages in separate method.
X509TrustManager's getAcceptedIssuers() method should return " a non-null (possibly empty) array of acceptable CA issuer certificates".