Make ubuntu-setup.bash executable
Make ubuntu-setup.bash executable

So that it can run directly when checked out without needing to have
chmod +x ubuntu-setup.bash run first.

Signed-off-by: Daniel Thomas <1a8f1a72c434feeba285ea34dea9d56b6301fb83@srcf.ucam.org>

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