Changes in USJ Schema

[kavitharaju]

The changes suggested in USJ schema by the USFM/X Committee

1. Change oneOf condition to anyOf
2. Instead of the field {type: "val1:val2"} keep two fields {type:"val1", marker: "val2"}

Changes needed in this repo

• Update the schema definition at schemas/usj.js
• Change the USJ generation scripts in python usfm-grammar module
• Change the List generation scripts the module, that depends on the USJ output
• Change the code in filtering of USJ based on include_markers and exclude_markers
• Change the code where USFM is generated back from USJ
• Change scripts in tests where the output USJ is worked on (to check if all markers are present, unwanted markers are filteres etc)
• Update the origin-usj.json samples in USFM-Grammar testsuite, (which is a copy of the tcdocs/tests)

Changes to be contributes at usfm-bible/tcdocs

• Updated USJ json schema definition
• Updated script to generate USJ from USX
• Updated testsuite samples of origin-usj.json

[kavitharaju]

PR at tcdocs repo usfm-bible/tcdocs#48

[kavitharaju]

Another change needed

• Make book-code accept any 3 letter strings, not only from the list of valid book codes.

This requires change at

• usfm-bible/tcdocs repo and
• the USJ schema in this repo, which also needs to be tested with existing tests

[kavitharaju]

PR at tcdocs repo usfm-bible/tcdocs#51