missing packages (R deps, rocket)

home/.Brewfile

@@ -14,6 +14,7 @@ brew 'awscli'
 brew 'coreutils'
 brew 'dnsmasq'
 brew 'exercism'
+brew 'gcc'
 brew 'git'
 brew 'gsl'
 brew 'heroku'
@@ -28,6 +29,7 @@ brew 'mongodb'
 brew 'mr'
 brew 'mtr'
 brew 'openssl'
+brew 'pcre'
 brew 'postgresql'
 brew 'pwgen'
 brew 'readline'
@@ -68,6 +70,7 @@ cask 'nightowl'
 cask 'ngrok'
 cask 'postman'
 cask 'rescuetime'
+cask 'rocket'
 cask 'sequel-pro'
 cask 'sketch'
 cask 'skype'