Fix typo

Blindsided by copy-and-paste
Add RebuildPropertyStatisticsMaintenanceRegressionTest
Merge pull request #267 from SemanticMediaWiki/test

Add RebuildPropertyStatisticsMaintenanceRegressionTest
Remove static call from SimplePropertyStatisticsRebuilder

- Remove static getPropertyTables from SimplePropertyStatisticsRebuilder
- Improve some internal methods
- Add SimplePropertyStatisticsRebuilderTest
Merge pull request #269 from SemanticMediaWiki/rem-static-use

Remove static call from SimplePropertyStatisticsRebuilder
Remove remaining static SMWSQLStore3::getPropertyTables

- Remove static call to SMWSQLStore3::findPropertyTableID
- SMWSQLStore3::getPropertyTables
Fix tests due to ::staticExpects
Merge pull request #270 from SemanticMediaWiki/rem-static

Rem static getPropertyTables
Avoid databuilder run on duplicate pages
Merge pull request #268 from SemanticMediaWiki/datarebuilder-norun-on-duplicates

Avoid databuilder run on duplicate pages
SMW\Store\Maintenance\ConceptCacheRebuilder

- Replaces SMW_conceptCache.php with rebuildConceptCache.php and
https://gerrit.wikimedia.org/r/#/c/77493