Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceFoundation  947488a1922bca36e303a076de0d1b3fa391248f

Added new sections to credits

Added translators and translation section
Added contributor
Added maintenace script to gernerate translators.json file
Fixed check if file ende with .json

Change-Id: I1268843df9f3fa57bb2dfa4adafa634ad21905dd