added methods to statistics rake task
added methods to statistics rake task

Muhannes/diaspora,geraspora/diaspora,Flaburgan/diaspora,SuperTux88/diaspora,KentShikama/diaspora,KentShikama/diaspora,SuperTux88/diaspora,spixi/diaspora,spixi/diaspora,diaspora/diaspora,jhass/diaspora,jhass/diaspora,Flaburgan/diaspora,Amadren/diaspora,spixi/diaspora,geraspora/diaspora,despora/diaspora,spixi/diaspora,diaspora/diaspora,Flaburgan/diaspora,jhass/diaspora,diaspora/diaspora,SuperTux88/diaspora,Amadren/diaspora,SuperTux88/diaspora,geraspora/diaspora,Amadren/diaspora,Muhannes/diaspora,diaspora/diaspora,Flaburgan/diaspora,KentShikama/diaspora,despora/diaspora,jhass/diaspora,KentShikama/diaspora,geraspora/diaspora,despora/diaspora,Muhannes/diaspora,Muhannes/diaspora,despora/diaspora,Amadren/diaspora