Add chinese translations of exporter descriptions
Russian translation update
Merge pull request #1083 from andrey013/ru-RU

Russian translation update
Merge pull request #1082 from BramChen/master

Add chinese translations of exporter descriptions
Clarify set widget docs
Tweak home button
Remove obsolete control panel tools tab

Now we’ve got the export button instead
Slightly improved styling for plugins tab
Improve import logging
Release note update
Enhance tabbed toc macro with navigation control

Now there are two variants of the macro: the default one opens links
externally, the other opens links internally
More button tweaks

@pmario what do you think of the new “info” button?
Clarify toc-tabbed macro
Update CodeMirror Documentation

I wish I could have added tiddlers to the documentation in order to put the mini-tutorials in tabs but I couldn't.
So it is a bit messy in my opinion, but I think it is a good start.

I have tested every configuration with Tiddlywiki v 5.1.4.
Bootstrap fr-FR edition with a few dozens of translated tiddlers
fr-FR-server configured to serve the fr-FR edition
Integration of @evolena work into the fr-FR edition
Icon tweaks
Fix bug in action-setfield widget
Add advanced search links to control panel list counts