Changing the path for report_spam.json according to API 1.1 docs
Merge pull request #270 from Oire/master

report_spam changed according to API 1.1 docs
Added language parameter to streaming filter

(see: https://dev.twitter.com/blog/introducing-new-metadata-for-tweets)
Merge pull request #278 from wywygmbh/master

Pull request: Added new language parameter to filter endpoint