Update RELEASE-NOTES.md

Add link to on wiki documentation.
Add process-timout config

https://github.com/composer/composer/issues/3454 follow-up

[skip ci]
T17732 / Enable "\;" to escape property values in record-type

The record-type uses `;` as delimiter, if used as part of the property value
then it needs to be escaped by the `\;` notation.

[0] https://phabricator.wikimedia.org/T17732
Merge pull request #664 from SemanticMediaWiki/record-escape-semicolon

T17732 / Enable "\;" to escape property values in record-type
Add PageUpdater::doPurgeParserCache

- Replace direct DB access in `Store::updateData` with `PageUpdater::doPurgeParserCache`
- Move newPageInfoProvider to `MwCollaboratorFactory::newPageInfoProvider`
Update RELEASE-NOTES.md

[skip ci]
Merge pull request #665 from SemanticMediaWiki/tidy

Add PageUpdater::doPurgeParserCache
Update RELEASE-NOTES.md

[skip ci]
DataItemByIdFinder hide cache instance
Add ParserData::setSemanticDataStateToOutputProperty
More tidy
Merge pull request #666 from SemanticMediaWiki/tidy

Tidy
Add Database::beginTransaction

To use DB update transactions $GLOBALS['smwgUFeatures'] requires
the SMW_TRX_UPDATE flag.
Merge pull request #667 from SemanticMediaWiki/db-update-transaction

Add Database::beginTransaction
Update RELEASE-NOTES.md

[skip ci]
Escape smw_wantedproperty_template
Add SMW::SQLStore::BeforeChangeTitleComplete hook
Merge pull request #670 from SemanticMediaWiki/hook

Add SMW::SQLStore::BeforeChangeTitleComplete hook
Update RELEASE-NOTES.md

[skip ci]
Merge pull request #669 from Nikerabbit/esc

Escape smw_wantedproperty_template