Debugger: Be more explicit about conversions in QHash dumper

Change-Id: I35e36edf31bb8d45e92d39d2c069734c560711cc
Reviewed-by: hjk <hjk121@nokiamail.com>
VCS: Emit repositoryChanged when ExpectRepoChanges flag is set

Change-Id: I7ae5199a1397258c9816ff1801fb5d0909feb626
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Git: Clear branches model when repository becomes empty

Change-Id: I78932b342de5e1b29c75ed921d4d6afddf4d51da
Reviewed-by: Eike Ziller <eike.ziller@digia.com>