Cleanup dependencies in docker image
Cleanup dependencies in docker image

Replace ghostscript with gsfonts, the captcha only needs gsfonts to
work.

Flaburgan/diaspora,diaspora/diaspora,jhass/diaspora,geraspora/diaspora,jhass/diaspora,despora/diaspora,diaspora/diaspora,despora/diaspora,SuperTux88/diaspora,SuperTux88/diaspora,SuperTux88/diaspora,diaspora/diaspora,Flaburgan/diaspora,diaspora/diaspora,geraspora/diaspora,despora/diaspora,Flaburgan/diaspora,SuperTux88/diaspora,despora/diaspora,jhass/diaspora,geraspora/diaspora,geraspora/diaspora,jhass/diaspora,Flaburgan/diaspora