Fixed spaces to tabs
Merge pull request #2294 from Ragazzo/CMssql-classes-formatting-fix

CMssql-classes-formatting-fix
Fixes #2296: typo in the German translation of the Yii guide (unit testing section).
Fixes #2299: CMssqlSchema: findTableNames(), getTables() and getTableNames() methods used to prepend schema prefix to the table names twice.
Merge branch 'master' of github.com:yiisoft/yii into 1827-gii-pgsql-schema-name