* sets checked ckass for radio widget wrapper
* added tc-radio as standard class for radio widgets
* removed selectedClass again, as suggested
@pmario ;-)
* allow radio widget to set an index in a data tiddler
* updated RadioWidget docs, with same demo macro as for CheckboxWidget
in #2103
* removed docs in widget code (seems the wrong place)
* added from version to docs
* revert doc maros to master
* using wikitext-example-without-html and .tip macro now
* fix quotes
* Add string '.htm' to 'Saving with TiddlyIE'
* Change external links to match locale with wiki language
* Add instructions for use to 'Saving on Android'
* Change string in 'task'
* Change instructions for use in 'Saving on iPad/iPhone'
* Add newline to 'TiddlyDesktop Releases'
* Remove caption from 'Serving TW5 from Android'
* Change link to external in tiddlers which tagged 'Editions'
* Remove string 'index.html' from 'Some of the things you can do with TiddlyWiki'
* Change link 'TiddlyWiki Groups' to 'Forums' in tiddlers which tagged 'Community'
* Remove CamelCase link 'TiddlyWiki' from tiddlers tagged 'Community'
* Change string 'done' to 'Upgrade' in 'UpgradeMechanism'
* Change buttons to images in 'How to export tiddlers'
* Add images about buttons to tiddlers
* Add quotation mark to text 'edit' in 'Signing the Contributor License Agreement'
* Rename 'UsingSVG' to 'Using SVG'
* Change link 'TypedBlockWikiText' to 'Typed Blocks in WikiText' in 'Using SVG'
* Add tiddler 'Using Stamp'
* Add 'rel="noopener noreferrer"' to external links
* Add description about 'rel="noreferrer"' to 'HTML in WikiText'
* Add link of prerelease version about translators edition, and how to translate on Node.js, in 'Translate TiddlyWiki into your language'
* Change string 'dropdown' to 'tab' in 'Installing a plugin from the plugin library'
* Add download button to 'Empty Edition'
