Added email check rule to core widget, added README and LICENCE

LICENCE

@@ -0,0 +1,21 @@
+The MIT License
+
+Copyright (c) 2010 Tane Piper <github@digitalspaghetti.me.uk>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README

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+================================
+jQueryUI Password Strength Meter
+================================
+
+The jQuery UI Password Strength Meter is a widget for jQueryUI that provides
+rulesets for visualy displaying the quality of a users typed in password.
+
+The widget requires jQueryUI 1.8 core and progress meter.
+
+Options
+=======
+
+minChar:
+  Default: 8 (Integer)
+  Sets the minimum required of characters for a password to not be considered
+  too weak
+
+progressClass:
+  Default: ['zero', 'twenty-five', 'fifty', 'seventy-five', 'one-hundred'] (Array)
+  The names of the classes that are added to the visual display bar, used to
+  provide CSS overide for display
+
+verdicts:
+  Default: ["Weak", "Normal", "Medium", "Strong", "Very Strong"] (Array)
+  The display names for the verdicts related to the progressClass
+
+scores:
+  Default: [17, 26, 40, 50] (Array)
+  The scores used to determine what progressClass and verdicts to display
+
+showVerdicts:
+  Default: true (Boolean)
+  Determines if the verdicts are display on the progress bar or not
+
+usernameField:
+  Default: "#username" (String)
+  The username field to match a password to, to ensure the user does not use
+  the same value for their password
+
+raisePower:
+  Default: 1.4 (Double)
+  The value used to modify the final score, allows you to tailor your results
+
+onLoad:
+  Default: undefined (Function)
+  A callback function, fired on load of the widget
+
+onKeyUp:
+  Default: undefined (Function)
+  A callback function, fired on key up when the user is typing
+
+errorMessages:
+  Default: {
+        password_to_short : "The Password is too short",
+        same_as_username : "Your password cannot be the same as your username"
+  } (Object)
+  An object containing error messages.  These can be overwritten for language
+  purposes, and can also be added to for your custom rules.
+
+
+Adding Custom Rules
+===================
+
+The widget comes with the functionality to easily define your own custom rules.
+
+An example is as follows
+
+The format is as follows:
+  $.ui.pwstrength.addRule("ruleName", function(ui, word, score) {}, rule_score, rule_enabled);
+
+Example:
+  $.ui.pwstrength.addRule("testRule", function(ui, word, score) {
+    return word.match(/[a-z].[0-9]/) && score;
+  }, 10, true);
+
+
+Callback Functions
+==================
+
+The widget provides two callback functions, onLoad and onKeyUp.  You can use them like this:
+
+$(document).ready(function(){
+  var options = {
+    onLoad: function() {
+      $('#messages').text('Start typing password');
+    },
+    onKeyUp: function() {
+      $('#messages').html($.ui.pwstrength.outputErrorList());
+    }
+  }
+	$(':password').pwstrength(options);
+});

src/ui.pwstrength.js

@@ -148,6 +148,7 @@
       $.ui.pwstrength.rules[rule] = active;
     },
     ruleScores : {
+      wordNotEmail: -100,
       wordLength : -100,
       wordSimilarToUsername : -100,
       wordLowercase : 1,
@@ -161,6 +162,7 @@
       wordLetterNumberCharCombo : 2
     },
     rules : {
+      wordNotEmail: true,
       wordLength : true,
       wordSimilarToUsername :true,
       wordLowercase : true,
@@ -174,6 +176,9 @@
       wordLetterNumberCharCombo : true
     },
     validationRules : {
+      wordNotEmail : function ( ui, word, score ) {
+        return word.match(/^([\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+\.)*[\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+@((((([a-z0-9]{1}[a-z0-9\-]{0,62}[a-z0-9]{1})|[a-z])\.)+[a-z]{2,6})|(\d{1,3}\.){3}\d{1,3}(\:\d{1,5})?)$/i) && score;
+      },
       wordLength : function( ui, word, score ) {
         var options = ui.options;
         var wordlen = word.length;