comment on branches

The real examples are on the branches representing a set of refactors.
hartsock · Jul 23, 2014 · ef6bdbd · ef6bdbd
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 The purpose of this project is to provide raw code for talking about
-how to think in functional programming style in Java.
+how to think in functional programming style in Java.
+
+The branches in this project represent a progression through various 
+stages of functional thinking.