Initial commit of a working subsitution cipher solving tool.
Added a short description of the project into the README.md file.
Moved the JavaScript into its own file.
Moved the CSS into its own file.
Moved one line to a different place. This had the side effect of changing the indentation of every line, so please check with 'git diff -w', i.e. ignoring whitespace changes.
Added some simple QUnit tests.
Buttons to pre-fill guesses based on letter frequencies. Supported: English and Finnish.
Listed jQuery, jQuery UI and QUnit in README.md.