Upgrade Ecto's supported DBs
Upgrade Ecto's supported DBs

mschae/phoenix,pap/phoenix-guides,Joe-noh/phoenix,dmarkow/phoenix,michalmuskala/phoenix,Kosmas/phoenix,korobkov/phoenix,pap/phoenix,greyhwndz/phoenix_guides,Joe-noh/phoenix,wsmoak/phoenix_guides,trarbr/phoenix,larrylv/phoenix_guides,mitchellhenke/phoenix,3quarterstack/phoenix_guides,rafbgarcia/phoenix,mobileoverlord/phoenix,iguberman/phoenix_guides,sakishum/phoenix_guides,bratsche/phoenix_guides,oldfartdeveloper/phoenix_guides,eksperimental/phoenix,nshafer/phoenix,trarbr/phoenix,nshafer/phoenix,evax/phoenix,Gazler/phoenix,michalmuskala/phoenix,nshafer/phoenix,Kosmas/phoenix,korobkov/phoenix,philss/phoenix_guides,optikfluffel/phoenix,evax/phoenix,stevedomin/phoenix,tuvistavie/phoenix_guides,phoenixframework/phoenix,optikfluffel/phoenix,gjaldon/phoenix,gjaldon/phoenix,pap/phoenix,fblecha/phoenix_guides,phoenixframework/phoenix,1ternal/phoenix_guides,0x00evil/phoenix,mobileoverlord/phoenix,rafbgarcia/phoenix,keathley/phoenix,thetamind/phoenix_guides,optikfluffel/phoenix,rafbgarcia/phoenix,stevedomin/phoenix,jwarwick/phoenix,tianyi33/phoenix_guides,tokafish/phoenix_guides,mschae/phoenix,bsmr-erlang/phoenix,keathley/phoenix,mitchellhenke/phoenix,eksperimental/phoenix,clessg/phoenix_guides,dmarkow/phoenix,phoenixframework/phoenix,jwarwick/phoenix,0x00evil/phoenix,jeffkreeftmeijer/phoenix_guides,0x00evil/phoenix,bsmr-erlang/phoenix,Gazler/phoenix