Nirbheek Chauhan authored Jan 28, 2019 and Nirbheek Chauhan committed Feb 04, 2019

Licensing was incorrect, incomplete, and at best, ambiguous. Some
recipes were picking one license when there were many, others were
listing all the licenses and you had to pick one.

On the other hand, many projects are licensed under multiple BSD-like
licenses, and you must adhere to the terms of all of them, and there
was no way to know how from the binary packages.

Now we have an extended syntax for declaring the licensing properties
of a recipe. The licenses array can now also contain dictionaries with
License enums as keys and relative paths to files in the source tree
as values. All files specified in this way will be copied into
`share/licenses/$recipe_name`.

Common license texts which are copied verbatim by projects without
adding any specific author/copyright information have been copied into
`data/licenses/` and will be copied into `share/licenses/$recipe_name`
when a license is specified without a corresponding source tree file.

`share/lic...