Updated mediawiki/extensions
Project: mediawiki/extensions/TranslateSvg  c49281da070e87b73db946cef0b40e151483fd56

Start PHPUnit testing framework

* Create TranslateSvgTestCase to handle shared content
* Use TranslateSvgTestCase to handle global assignation
* Start SVGMessageGroup and SVGFormatReader tests
* Register hooks for Jenkins

Change-Id: I3495d8f719616d60f8193bac8a54dbe98722ea17