Lazily initialize Contact proxy in service helper
Lazily initialize Contact proxy in service helper

This prevents connecting to the database on rake assets:precompile,
which fails in certain build environments.

Running git blame on this and figuring out what in gods name this
is for, is for another time.

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