readme change for llvm 3.6
readme change for llvm 3.6

influx6/ponyc,malthe/ponyc,pap/ponyc,jupvfranco/ponyc,Perelandric/ponyc,gwelr/ponyc,jupvfranco/ponyc,jonas-l/ponyc,malthe/ponyc,influx6/ponyc,darach/ponyc,doublec/ponyc,mkfifo/ponyc,cquinn/ponyc,Theodus/ponyc,jemc/ponyc,kulibali/ponyc,boemmels/ponyc,doublec/ponyc,dckc/ponyc,sgebbie/ponyc,lukecheeseman/ponyta,sgebbie/ponyc,malthe/ponyc,dipinhora/ponyc,shlomif/ponyc,ryanai3/ponyc,darach/ponyc,ponylang/ponyc,sgebbie/ponyc,jemc/ponyc,jupvfranco/ponyc,jupvfranco/ponyc,jemc/ponyc,jonas-l/ponyc,shlomif/ponyc,cquinn/ponyc,pap/ponyc,darach/ponyc,boemmels/ponyc,pap/ponyc,lukecheeseman/ponyta,CausalityLtd/ponyc,dipinhora/ponyc,Praetonus/ponyc,lukecheeseman/ponyta,boemmels/ponyc,cquinn/ponyc,ryanai3/ponyc,ponylang/ponyc,kulibali/ponyc,doublec/ponyc,mkfifo/ponyc,kulibali/ponyc,boemmels/ponyc,Perelandric/ponyc,Theodus/ponyc,mkfifo/ponyc,Praetonus/ponyc,cquinn/ponyc,malthe/ponyc,sgebbie/ponyc,boemmels/ponyc,Theodus/ponyc,dipinhora/ponyc,mkfifo/ponyc,CausalityLtd/ponyc,kulibali/ponyc,jupvfranco/ponyc,ryanai3/ponyc,mkfifo/ponyc,dckc/ponyc,Perelandric/ponyc,Praetonus/ponyc,sgebbie/ponyc,Theodus/ponyc,Perelandric/ponyc,jonas-l/ponyc,Praetonus/ponyc,gwelr/ponyc,Perelandric/ponyc,CausalityLtd/ponyc,ponylang/ponyc,Theodus/ponyc