[css-logical-props] Initial renaming pass to bring up-to-date. Still need to define midway shorthands.

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extra : rebase_source : 5ba4baad49a4f5aa3c964efc9e422f5d1b3a2b43
[css-text] Move some paragraphs.

--HG--
extra : rebase_source : 18b4c4f8b271e89e3ed9e4e734dfedbcf2b52da1
[css-exclusions] add Florian to acks