Merge pull request #114 from matthewvogt/notify-delete

[qtcontacts-sqlite] Deletions should trigger syncContactsChanged
Remove tests specific to unrelated contact managers
Correct wrong function declarations
[qtcontacts-sqlite] Open non-privileged DB when specified

Privileged processes need to be able to open the non-privileged
database when required. Signals regarding database activity also need
to be handled seperately for the two databases.