Append all arguments to brew install option

So forumla scripts get ARGV[2..] as their arguments when brew install x
is invoked

Cellar/homebrew/brew

@@ -7,9 +7,11 @@ $root = Pathname.new(__FILE__).realpath.dirname.parent.parent
 
 case ARGV[0]
   when 'brew', 'install' then
-    file="#{$root}/Formula/#{ARGV[1]}"
+    abort "You must specify a Formula" unless ARGV[1]
+    ARGV.shift
+    file="#{$root}/Formula/#{ARGV.shift}"
     file+='.rb' unless File.exist? file
-    system "ruby #{file}"
+    system "ruby #{file} #{ARGV.join ' '}"
 
   when 'ln' then
     abort "#{ARGV[1]} is not a directory" unless File.directory? ARGV[1]