Add type="button" to option group collapse

Fix #872

Cleanup readme a little

Gemfile.lock

@@ -246,4 +246,4 @@ DEPENDENCIES
   github-pages
 
 BUNDLED WITH
-   1.16.2
+   2.1.2

README.MD

@@ -2,23 +2,28 @@
 
 MultiSelect progessively enhances an ordinary multiple select control into elegant drop down list of checkboxes, stylable with ThemeRoller.
 
-### Demo Page
+## Demo Page
+
 Check out the demo page [here!](https://ehynds.github.io/jquery-ui-multiselect-widget/)
 
-### Version 3
-Version 3 of the widget is available in pre-release. This introduces a lot of new features and substantial performance imrovements.
+## Version 3
+
+Version 3 of the widget is available. This introduces a lot of new features and substantial performance imrovements.
 
 Check out the [release notes](https://github.com/ehynds/jquery-ui-multiselect-widget/releases/tag/3.0.0) for an exact list of changes and see the [wiki](https://github.com/ehynds/jquery-ui-multiselect-widget/wiki/Migrating-to-Version-3) for the information you may need to switch over. The main wiki will be getting updates for the new features and changed options.
 
-### Requirements
+## Requirements
+
 The [usage](https://github.com/ehynds/jquery-ui-multiselect-widget/wiki/Usage) section of the Wiki specifies the widget's dependencies.
 
-# License
+## License
 
 MultiSelect is dual-licensed under the [GPL 2 license](https://github.com/ehynds/jquery-ui-multiselect-widget/blob/master/GPL-LICENSE) and the [MIT license](https://github.com/ehynds/jquery-ui-multiselect-widget/blob/master/MIT-LICENSE).
 
-# Contributing
+## Contributing
 
 When submitting a pull request, please describe the change you are making - preferably with a use case. Unit tests are now (14 March 2016) required for the pull to be merged.
 
 Please do not submit minified code in your pull request, that tends to cause merge conflicts.
+
+You can test the demo pages locally by navigating to the `docs` directory and running `bundle install && bundle exec jekyll server`.

package.json

@@ -1,7 +1,7 @@
 {
   "name": "jquery-ui-multiselect-widget",
   "description": "MultiSelect progessively enhances an ordinary multiple select control into elegant drop down list of checkboxes, stylable with ThemeRoller.",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "license": "MIT or GPL-2.0",
   "author": "Eric Hynds",
   "contributors": [

src/jquery.multiselect.js

@@ -279,7 +279,7 @@
        }
 
        if (this.options.header.constructor == Object) {
-       var options = Object.keys(this.options.header)
+       var options = Object.keys(this.options.header);
        for (var x = 0; x < options.length; x++) {
           var displayText = options[x];
           var linkInfoKey = this.options.header[displayText];
@@ -532,7 +532,7 @@
           // Build the list section for this optgroup, complete w/ option inputs...
           var $collapseButton = !!self.options.groupsCollapsable
                                  ? $( document.createElement('button') )
-                                    .attr({'title': self.linkInfo.collapse.title})
+                                    .attr({'title': self.linkInfo.collapse.title, 'type': 'button'})
                                     .addClass('ui-state-default ui-corner-all ui-multiselect-collapser')
                                     .html(self.linkInfo.collapse.icon)
                                  : null;