Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  603e31f416b5a1f1e87c9c3030cd9628ea43b8fd

Implemented changes for translatewiki

Created languages folder
Moved php i18n file into languages folder
Moved to Json i18n files
Removed superfulous word from description

Change-Id: Iac4676c3e5ac035d263431f955eaf95d30f0a704