Translation update by the SMW community

Credits got to Jan Schoonderbeek (Saruman):
* Add new translations for profiling related special properties
* Make former translations for profiling related special properties special property aliases
Translation update by the SMW community

Credit goes to Yury Katkov
* Add translation for profiling related special property "Query duration"
Merge pull request #138 from SemanticMediaWiki/I18n

Translation update by the SMW community