Use zxcvbn for password strength estimation

wizard/utils.js

@@ -1,37 +1,5 @@
-
 .pragma library
 
-// grabbed from SO answer page: http://stackoverflow.com/questions/948172/password-strength-meter
-
-function scorePassword(pass) {
-    var score = 0;
-    if (!pass)
-        return score;
-
-    // award every unique letter until 5 repetitions
-    var letters = {};
-    for (var i=0; i<pass.length; i++) {
-        letters[pass[i]] = (letters[pass[i]] || 0) + 1;
-        score += 5.0 / letters[pass[i]];
-    }
-
-    // bonus points for mixing it up
-    var variations = {
-        digits: /\d/.test(pass),
-        lower: /[a-z]/.test(pass),
-        upper: /[A-Z]/.test(pass),
-        nonWords: /\W/.test(pass),
-    }
-
-    var variationCount = 0;
-    for (var check in variations) {
-        variationCount += (variations[check] === true) ? 1 : 0;
-    }
-    score += (variationCount - 1) * 10;
-
-    return parseInt(score);
-}
-
 function mapScope (inputScopeFrom, inputScopeTo, outputScopeFrom, outputScopeTo, value) {
     var x = (value - inputScopeFrom) / (inputScopeTo - inputScopeFrom);
     var result = outputScopeFrom + ((outputScopeTo - outputScopeFrom) * x);