Update contributing guide and README for 4.0

Author: kevin-brown

CONTRIBUTING.md

@@ -57,13 +57,6 @@ Before starting work on a major feature for Select2, **contact the
 time on something which the project developers are not interested in bringing
 into the project.
 
-### Select2 4.0
-
-Many feature requests will be closed off until 4.0, where Select2 plans to adopt
-a more flexible API.  If you are interested in helping with the development of
-the next major Select2 release, please send a message to the
-[mailing list][mailing-list] or [irc channel][irc-channel] for more information.
-
 Triaging issues and pull requests
 ---------------------------------
 Anyone can help the project maintainers triage issues and review pull requests.
@@ -92,9 +85,8 @@ submitted code, or know of a better way to do something, do not hesitate to make
 a comment on the pull request.
 
 It should also be made clear that **all code contributed to Select** must be
-licensable under the [Apache 2 or GPL 2 licenses][licensing].  Code that cannot
-be released under either of these licenses **cannot be accepted** into the
-project.
+licensable under the [MIT license][licensing].  Code that cannot be released
+under either of these licenses **cannot be accepted** into the project.
 
 [community]: https://select2.github.io/community.html
 [reporting-bugs]: #reporting-bugs-with-select2

README.md

@@ -5,11 +5,10 @@ Select2 is a jQuery-based replacement for select boxes. It supports searching,
 remote data sets, and pagination of results.
 
 To get started, checkout examples and documentation at
-http://select2.github.io/select2
+http://select2.github.io/
 
 Use cases
 ---------
-
 * Enhancing native selects with search.
 * Enhancing native selects with a better multi-select interface.
 * Loading data from JavaScript: easily load items via ajax and have them searchable.
@@ -30,7 +29,7 @@ Browser compatibility
 Usage
 -----
 You can source Select2 directly from a CDN like [JSDliver][jsdelivr] or
-[CDNJS][cdnjs], [download it from this GitHub repo][tags], or use one of
+[CDNJS][cdnjs], [download it from this GitHub repo][releases], or use one of
 the integrations below.
 
 Integrations
@@ -105,18 +104,18 @@ The license is available within the repository in the [LICENSE][license] file.
 [bootstrap3-select2]: https://github.com/t0m/select2-bootstrap-css/tree/bootstrap3
 [cdnjs]: http://www.cdnjs.com/libraries/select2
 [django-select2]: https://github.com/applegrew/django-select2
-[documentation]: https://select2.github.io/select2/
+[documentation]: https://select2.github.io/
 [documentation-folder]: https://github.com/select2/select2/tree/master/docs
 [freenode]: https://freenode.net/
 [jsdelivr]: http://www.jsdelivr.com/#!select2
 [license]: LICENSE.md
 [meteor-select2]: https://github.com/nate-strauser/meteor-select2
 [meteor-select2-alt]: https://jquery-select2.meteor.com
 [meteor-select2-bootstrap3]: https://github.com/esperadomedia/meteor-select2-bootstrap3-css/
+[releases]: https://github.com/select2/select2/releases
 [select2-rails]: https://github.com/argerim/select2-rails
 [symfony-select2]: https://github.com/19Gerhard85/sfSelect2WidgetsPlugin
 [symfony2-select2]: https://github.com/avocode/FormExtensions
-[tags]: https://github.com/select2/select2/tags
 [wicket]: http://wicket.apache.org
 [wicket-select2]: https://github.com/ivaynberg/wicket-select2
 [yii-select2]: https://github.com/tonybolzan/yii-select2