Haketilo

make the order of rules in generated CSP deterministic

This is purely to help with automated testing.

treat "view-source:" pages as privileged

prepend all generated console messages with 'Haketilo:'

optimize Pattern Query Tree for size of its JSON.stringify()'ed representation

validate repository responses against JSON schemas

• compute_scripts.awk (include_file): don't enforce specific path format on #INCLUDE'd files
• .gitmodules, schemas: add Haketilo JSON schemas subrepo
• html/install.js (InstallView): import schema validator and run it against downloaded mapping and resource definitions...

change copyright notice of js-sha256 code to be exactly the same as in upstream's LICENSE.txt

• common/sha256.js: removed email address from the copyright line

assume and use "$schema" properties in item definitions

fix loading initial data and verify it in automated tests

change store names and data keys to singular

restore chromium support