Update 0.1.3

Release Update 0.1.3 extension for mediawiki.

Release notes:
bugfix:
* fixed STRICT warnings on 1.18 (thanks MWJames)

notes:
* switched to a more permissive and correct bsd-2-clause license agreement for commits

testing:
* trunk 2011-12-25 stable 1.18.0, 1.17.1, 1.16.5, 1.15.5