Updated Building and installing hhvm on CentOS 7.x (markdown)
adding gperf to list of packages to install.
glog moved to Github. Changed instructions to show git clone to retrieve glog source.
Update to the official homebrew cask and not the deprecated one.
Macports unsupported
Created Building and installing HHVM on OSX 10.10 with MacPorts (markdown)
utopic is not a supported distro anymore, even by ubuntu
fix supported list
point to official docs
source of truth
remove duplicates
Destroyed Tools (markdown)
point to the latest documentation
general and user source of truth
link works
source of truth change
Updated Users (markdown)