Revert commit 3552fed.

This has been done to clarify the licensing of past contributions.
There has not any response from rchatterjee regarding this so reverting his updates(see conversation for github pull request #12).
Other contributors have accepted the change (see github pull requests #11, #14 and github issue #15).

README.md

@@ -11,7 +11,7 @@ The original coffee script version is available at
 An article on the reasons for zxcvbn is at
 https://tech.dropox.com/2012/04/zxcvbn-realistic-password-strength-estimation
 
-## Building
+##Building
 
 The makefile will build several test programs to test the code. It shows the steps needed
 to use the code in C and C++ programs, using the dictionary data read from file or included
@@ -32,7 +32,7 @@ Rename `zxcvbn.c` to `zxcvbn.cpp` (or whatever your compiler uses) to compile as
 The `dict*.h` and `zxcvbn.dict` files are generated by the dictgen program compiled from
 dict-generate.cpp (see makefile for details).
 
-## Using
+##Using
 
 Initially call `ZxcvbnInit()` with the pathname of the `zxcvbn.dict` file. This can be
 omitted when dictionary data is included in the executable.
@@ -54,7 +54,7 @@ Review the test program in `test.c` for an example.
 The entropy calculated will sometimes differ from the original because of
 
 * The UK keyboard layout is also included, so there are additional spacial sequences, e.g.
-`;'#` is a spacial sequence.
+**;'#** is a spacial sequence.
 * The different character classes in a password are taken into account when calculating the
 strength of brute-force matches.
 * Dijktra's path searching algorithm is used to combine parts of the entered password. This
@@ -73,7 +73,7 @@ version when there are 4 or less parts, but will differ significantly when there
 parts (which is likely to be a rare occurrence).
 
 
-## References
+##References
 
 The original coffee-script version is available at 
  https://github.com/lowe/zxcvbn