wording changes, updates for 0.8.0, and addition of code blocks where needed
wording changes, updates for 0.8.0, and addition of code blocks where needed

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