Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  7706d97c8a6aaff93fc53548b58c560f3502f9fa

Renamed ULSPage to PanelPage

To make class name consistent with file name

Change-Id: If4d0f0a24d2534c9b73cc6cbb0ee14ab8c124ed9