fdo#80403: Writer specific AutoCorr use FastParser

Contextclasses implement XFastContextHandler
Importclasses implement XFastDocumentHandler
Tokens for BlockList.xml are defined in BlockListTokens.txt
Tokens for content.xml are defined in TextBlockTokens.txt
A perfect hash table is generated with gperf and used by the tokenhandlers

This is corrected version of c1e90457d2ecc6e1171b7a296ab8bd05821e39e6
(Also pushing again follow-up c940d4d30673dc02ea34b5e60a4a8140648a0dba
"loplugin:saloverride" and 5f0f3d4e91e9eb1d1f60b0cd073e7bbd8ea38c29
"Work around -Werror,-Wdeprecated-register")
The commits were reverted in 7ef4457b9fc06b5c25c607d7e0149f45c7015b10

Change-Id: I08cd852fa751f98fd0ac6a55dda22f82a869b4d8