Update migration to handle duplicate likes
Update migration to handle duplicate likes

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