CustomAnimationCreateDialog: select previously set misc animation

Regression from 9695f38ca4ab26b40524f2eade98c45f0360131d.

Change-Id: I8777fd8fa3e31c67b6645044d262fd4c5f645634
avmedia: avoid segmentation fault during destruction of media window

mpEvents is not initialized in the destructor any more:
b5529c8c457f442bfc43305becc0c02d6a09ee80

Plus use scoped_ptr to stop memory leak.

Change-Id: Idaaa274e39c1ac34270ae5b0acdd237ee5aec1c3
avmedia: remove unused code related to fast-forward

One part of that was removed by:
55d52165df003d253d813f3ea7085f4d89fdb3ce
e.g. setRate()

Change-Id: Ia5def0150029c1597cd505bbaf740a42819a7c73
collada2gltf: one more URL usage fix

This one caused empty images and so textures were
missing.

Change-Id: Ia1e93270b7f5ec560b39a41d207e84171bb2434a