Clinton Gormley 34d90b041f Reorganise scripting docs (#18132)
* Reorganize scripting documentation

* Further changes to tidy up scripting docs

Closes #18116

* Add note about .lat/lon potentially returning null

* Added .value to expressions example

* Fixed two bad ASCIIDOC links
2016-05-04 18:17:10 +02:00
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2016-02-09 02:07:32 -08:00
2015-06-29 10:15:27 +02:00