Localisation updates from https://translatewiki.net.

Change-Id: I4c9b920d1af17839fcdc50af214c0a0c6062e55d
Re-enable references panel.

Change-Id: I03519019e62b32625cbd4dd4d0384d9020c6d66d
Dom transformations no longer "thrash".

Much faster!

Fix for enwiki Soviet Union article (and others surely) issue.

Rebased and fixed edit pencil not showing issue.

Change-Id: I8181e7de92fbbc3d71eff5a70bc9c8de2d52e670