We optimal indexer is only reindexing if the index would be changed. This
patch is a step in that direction. We only reindex now if the file or
project has changed. It fixes some typos too.
Task-number: QTCREATORBUG-21150
Change-Id: I6ea1c13282fbcd70253b9b2939aed37580dbd160
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>
It is still unfinished but I want to add other changes first.
Change-Id: Ife7ac56576f85d800633ea1e8f1c3f4f16486d5f
Task-number: QTCREATORBUG-21377
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>