updated spec to fix to_datetime issue
updated spec to fix to_datetime issue

Conflicts:
	spec/lib/diaspora/fetcher/public_spec.rb

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