* Add a check for the case sensitivity of the file system, so that
unit tests can determine whether names of preference files with
different case should generate an error or not.
* Add check for OS X native file format in rainersSyncBugOnMac().
Task-number: QTBUG-32655
Done-with: Liang Qi <liang.qi@digia.com>
Change-Id: I76821653dd4ebc00e20abdbb5b79c1a80290dece
Reviewed-by: Liang Qi <liang.qi@digia.com>