Upgrade a mediawiki site

Closed - This job posting has been filled and work has been completed.
Hourly Job
As Needed
Less than 1 week
Intermediate Level
I am looking for a mix of experience and value


I'm looking to upgrade my mediawiki site from version 1.16 to the newest version 1.21.

This includes upgrading extensions, and making sure that some modifications carry through to the new version.