Change Mom to SlotMachine

rather large commit, but essentially a simple rename
Rationale in docs and blogs

test/slot_machine/macro/helper.rb

@@ -0,0 +1,17 @@
+require_relative "../helper"
+
+module Mom
+  module Builtin
+    class BootTest < MiniTest::Test
+      include Preloader
+
+      def get_compiler(clazz , name)
+        compiler = RubyX::RubyXCompiler.new(RubyX.default_test_options)
+        coll = compiler.ruby_to_mom( get_preload("Space.main;#{clazz}.#{name}") )
+        @method = coll.method_compilers.last_compiler
+        @method
+      end
+
+    end
+  end
+end