changing readme to get formatted on GH; adding license

README.rdoc

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+= EdgeCase Ruby Koans
+
+The Ruby Koans walk you along the path to enlightenment in order to learn Ruby. 
+The goal is to learn the Ruby language, syntax, structure, and some common 
+functions and libraries. We also teach you culture. Testing is not just something we
+pay lip service to, but something we live.  It is essential in your quest to learn 
+and do great things in the language.  
+
+== The Structure
+
+The koans are broken out into areas by file, hashes are covered in about_hashes.rb, 
+modules are introduced in about_modules.rb, etc.  They are presented in order in the 
+path_to_enlightenment.rb file.  
+
+Each koan builds up your knowledge of Ruby and builds upon itself.  It will stop at 
+the first place you need to correct.  
+
+Some koans simply need to have the correct answer substituted for an incorrect one. 
+Some, however, require you to supply your own answer.  If you see the method __ (a 
+double underscore) listed, it is a hint to you to supply your own code in order to 
+make it work correctly.  
+
+
+== The Path To Enlightenment
+
+In order to achieve enlightenment you need to follow the path_to_enlightenment. This
+can be done in two ways
+
+*nix platforms, from the koans directory
+
+    [koans] $ rake                              # runs the default target :walk_the_path
+    [koans] $ ruby path_to_enlightenment.rb     # simply call the file directly
+    
+Windows is the same thing
+
+    c:\dev\koans\rake                           # runs the default target :walk_the_path
+    c:\dev\koans\ruby path_to_enlightenment.rb  # simply call the file directly
+