Adds a missing return and removes a few instance fields in the contact list UI, spares a few allocations in the history.

Other recent changes in earlier versions:
build.3563

Renames the net.java.sip.communicator.impl.protocol.sip.CALL_DISABLED property to net.java.sip.communicator.impl.protocol.sip.CALLING_DISABLED.

build.3562

Fixes a deadlock in audio level functionality which used to freeze the user interface while leaving the rest of the application operating as expected (e.g. audio used to continue to be captured locally and sent to the remote peer and to be received from the remote peer and played back locally.)

build.3561

Fixes the problem reported on the dev mailing list in the thread 'Error message in video call' by Conrad Beckert, re-enables packetization-mode=1 for H.264.
Disables Jingle support when calling is disabled. Fixes NullPointerException, caused by loading non account properties, during account load. Checks if the call still exists when a video property change is received in the gui.

build.3560

Fixes display name when adding contacts. Make Options default keep-alive method.

build.3559

FIxes facebook and google talk accounts. Fixes NullPointerException when status message is null. Renames "On The Phone" status to "On the phone", in order to improve compatibility.

build.3558

build.3557

build.3556

Disables temporary H.264 packetization mode 1 due to neomedia problems that breaks video support.
Adjusts contact list unknown contact view in the case when calling and/or contact adding are disabled.

build.3555

Adds a configuration property allowing to enable/disable add/remove contact functionality from provisioning.
Adds a configuration property allowing to enable/disable different configuration forms from provisioning.
Adds a configuration property for calling and desktop streaming functionalities.

build.3554

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build.3553

Fix some http post issues while canceling authentication or having user and password params in post parameters.

build.3552

build.3551

build.3550

Rebuilds the JNI FFmpeg library on Windows to match the Mac OS X and Linux ones committed in r8712 and r8716, respectively.

build.3549

Rebuilds the JNI FFmpeg library on Windows to match the Mac OS X and Linux ones committed in r8712 and r8716, respectively.

build.3548

Rebuilds the JNI FFmpeg library on Linux to match the Mac OS X one committed in r8712.

build.3547

Increases the urgency of requesting a first H.264 key frame which can successfully be decoded.

build.3546

Implements a workaround which allows the H.264 decoder to request key frames in addition to the depacketizer.

build.3545

build.3544

Introduces an H.264 configuration form to allow the selection of the default encoding profile and the preferred method to request key frames from the remote peers. Rebuilds the JNI FFmpeg library on Mac OS X to support the selections in question.