Bump beta version to 2.0.0-rc.1 and update changelog.

Author: microbit-carlos

CHANGELOG

@@ -1,3 +1,15 @@
+
+2.0.0-rc.1
+----------
+* RC.1 ships with the experimental features turned off and the same configuration as it would be deployed as with v2.0.0 release
+* Reduce the amount of filesystem available to 20KBs
+* Add new animation button for WebUSB state change between disconnected and connected (#281)
+* Add link to in language menu to add translations (#266) (#285)
+* Fixes several WebUSB issues (#268) (#267) (#269) (#278) (#284) (#285)
+* Fixes issues with button icons rendering differently depending on browser (#271) (#272) (#275) (#282)
+* Accessibility fixes (#277)
+* Update microbit-fs to v0.8.0
+
 2.0.0-beta.5
 ------------
 * Added new icons for the Download, Flash, Connect and Disconnect buttons (#262) (#264) 

editor.html

@@ -78,7 +78,7 @@
         </script>
         <script type="application/javascript">
             // VERSION INFORMATION
-            EDITOR_VERSION = "2.0.0-beta.5";
+            EDITOR_VERSION = "2.0.0-rc.1";
             UPY_VERSION = "1.0.1";
         </script>
         <script id="files-template" type="x-tmpl-mustache">