Update instructions.tid to use one of the included addons

This addon is already included into the plugin, but is not used, neither mentioned how to use it. It is a very useful but lightweight addon. I consider it is better to include the full functionality of the current configuration in the config example.
Update chinese translations for Help tiddlers
Update chinese translations for Help tiddlers
Merge remote-tracking branch 'upstream/master'
Support global macros via the importvariables widget

The new importvariables widget imports macro/variable definitions from
the specified tiddlers and makes them available to its children.

Allows us to split PageMacros up into separate tiddlers.

We still support loading macros from $:/core/ui/PageMacros to help
people upgrading.

Fixes #644 and #559
Docs update
Release note and doc updates for 5.0.13
Merge pull request #647 from BramChen/master

Update chinese translations for Help tiddlers
Merge pull request #640 from danielo515/patch-2

Update instructions.tid to use one of the included addons
Added application JavaScript to type dropdown

Fixes #646
Update chinese translations
Merge pull request #648 from BramChen/master

Update chinese translations
Update translated group of application Javascript in type dropdown
Rename `$:/core/templates/canonical-uri-external-image`

As per @pmario’s suggestion.
Merge pull request #649 from BramChen/master

Update translated group of application Javascript in type dropdown
Extend listed filter operator to use any field
Extend server command to allow a path prefix

Thereby making the number of parameters to the command ludicrous
Remove debugging code
Correct typo
Update chinese translations of Help text for server command
...