* Split up `get_compass_image()` into smaller functions. This allows
for better code sharing between old and new API and globalstep fn.
* Add `get_compass_itemname()` function. It will be the new API of
choice, `get_compass_image() will be deprecated soon.
* Remove function declaration out of globalstep function.
* Various other performance improvements.
* Add local aliases for global functions
* Lodestone compasses can only stack 1 item.
* Document functions and variables.
* Fix lodetone compass inaccurately reusing compass descriptions.
* Add usage descriptions to node definitions
* Refactor craftitem registration code.
* Update translation templates.
kabou
Rocher Laurent