Updated mediawiki/extensions
Project: mediawiki/extensions/TwnMainPage  f8e9370738d508357ff7bfe4de1defabfc5c6aac

Updated to the new version of mediawiki-selenium gem

Needed to fix security problem with passwords being visible at Jenkins
machine.

Also updated other Ruby gems too.

Change-Id: I320c48ba981fbad82062dd5101cd568c34a2576f
Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  3b0aa33fb06bc22ba9ce238a665b3adca5c8ffd1

Updated to the new version of mediawiki-selenium gem

Needed to fix security problem with passwords being visible at Jenkins
machine.

Also updated other Ruby gems too and deleted unneeded gems from the
Gemfile.

Change-Id: I5eab96f9b310f4e089df02378aed8ffce2aa99fd