Do not run `mix phx.new` twice in up_and_running (#708)
Do not run `mix phx.new` twice in up_and_running (#708)


nshafer/phoenix,0x00evil/phoenix,michalmuskala/phoenix,0x00evil/phoenix,Joe-noh/phoenix,eksperimental/phoenix,optikfluffel/phoenix,michalmuskala/phoenix,Joe-noh/phoenix,phoenixframework/phoenix,gjaldon/phoenix,dmarkow/phoenix,trarbr/phoenix,mitchellhenke/phoenix,mitchellhenke/phoenix,phoenixframework/phoenix,eksperimental/phoenix,stevedomin/phoenix,mobileoverlord/phoenix,korobkov/phoenix,pap/phoenix,trarbr/phoenix,dmarkow/phoenix,Kosmas/phoenix,stevedomin/phoenix,optikfluffel/phoenix,Gazler/phoenix,jwarwick/phoenix,optikfluffel/phoenix,evax/phoenix,Kosmas/phoenix,phoenixframework/phoenix,rafbgarcia/phoenix,gjaldon/phoenix,mschae/phoenix,nshafer/phoenix,0x00evil/phoenix,keathley/phoenix,rafbgarcia/phoenix,bsmr-erlang/phoenix,rafbgarcia/phoenix,jwarwick/phoenix,bsmr-erlang/phoenix,mschae/phoenix,evax/phoenix,mobileoverlord/phoenix,korobkov/phoenix,nshafer/phoenix,Gazler/phoenix,pap/phoenix,keathley/phoenix