Allow whitespace after \end in macro definitions

Fixes #1090
Add direct links to resource tiddlers
Reinstate translation for "download full wiki"

It’s used in `$:/snippets/download-wiki-button`
Fix problem with page controls

By transcluding the page controls we were changing the current tiddler
Update docs
Fix wrapping of tags in tag manager

Now long tags wrap onto multiple lines. I think they look quite good,
and we may want to consider using the same technique in the view
template.
Fix problem with cloning tiddlers

We were ignoring the tags on the template tiddler.

Fixes #1097
Add Jed's game to the examples
A failing test for a bug with text reference parsing

I’ll fix this later.

Raised by @danielo515
Update "Tiddlers" docs

Suggested by @twMat
Fixes to make nested popups work

Thus making the export button a lot more useful
Fix problem with parsing text references
Tweak popup handling of tiddler info panel
Add Taskgraph plugin to community resources
Tweak tiddler icon position
Fix popup handling in Cecily and Zoomin view

Cecily and Zoomin story views use a document.body that is smaller than
the document.documentElement. We were just clearing the popups on
clicks on the document.body Clicks on the document element (ie, on the
background of the page) were not being trapped, meaning that you
couldn’t dismiss a popup.