all index.md files renamed to README.md for more compatibility with github

multiton/README.md

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+---
+layout: pattern
+title: Multiton
+folder: multiton
+permalink: /patterns/multiton/
+categories: Creational
+tags:
+ - Java
+ - Difficulty-Beginner
+---
+
+## Intent
+Ensure a class only has limited number of instances, and provide a
+global point of access to them.
+
+![alt text](./etc/multiton.png "Multiton")
+
+## Applicability
+Use the Multiton pattern when
+
+* there must be specific number of instances of a class, and they must be accessible to clients from a well-known access point