Updated mediawiki/extensions
Project: mediawiki/extensions/SemanticSignup  b10d50453be09cb6a5ce63cef94ec0167236a748

Removed inherited float:left so it aligns properly

using float:left generates a weird display with rest of the SF form
displying on the right and wrapping at the end of the login form.

Change-Id: I1d8732aa6e6b172ccbf821c046b2ff97c516ec60