Add a couple of example JRuby scripts

Unfortunately, they do not work right now as written. But for the
moment, fixing them will have to wait. (I'd rather have them committed
and available than forgotten.)

Author: ctrueden

src/main/resources/script-templates/Ruby/Greeting.rb

@@ -0,0 +1,9 @@
+# @String name
+# @OUTPUT String greeting
+
+# A JRuby script with parameters.
+# It is the duty of the scripting framework to harvest
+# the 'name' parameter from the user, and then display
+# the 'greeting' output parameter, based on its type.
+
+greeting = "Hello, " + name + "!"

src/main/resources/script-templates/Ruby/Hello_World.rb

@@ -0,0 +1,5 @@
+# A very simple JRuby script.
+# It is the duty of the scripting framework to display
+# the script's return value, based on its type.
+
+"Hello world!"