Added ubuntu 14.04 64bit node to working OS branch
Added no need to set GOROOT node to go branch
 NB: new versions of go have GOROOT env hardcoded or set at go install time
Added cross compile node to Go branch
changed base AEBL VM OS to ubuntu 32bit as not everyone can run 64bit VM
Added goxc tool node to cross compile branch
Added determine hardware type node to prototype development branch