Keep up-to-date changes for zh-Hant and zh-Hans
Merge remote-tracking branch 'upstream/master'
Add Chinese translations for tiddler info 'advanced' panel
Merge pull request #489 from BramChen/master

Keep up-to-date changes for zh-Hant and zh-Hans
Add a class to tiddler frames in view mode

We’re already marking tiddlers in edit mode with tw-tiddler-edit-mode,
makes sense to make view mode tiddlers too.
Extend button widget to set text references

Previously the `set` attribute could only be used to identify a
tiddler, not a full text reference.
Add a warning segment to templates for TWC tiddlers

Now there’s a warning banner on all TWC tiddlers. It includes an
`upgrade` button that currently just flips the tiddler type to TW5
Remove whitespace between toolbar icons