errorFound() => writeMessage()

the function is fairly generic in fact

Change-Id: I808a15ed2fab470aab3fbc9d471f94f790bc9631
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
make ProFileReader verbose in precise mode

we rely on successful completion and accurate output from it, so it is
counterproductive to suppress error messages from it.

Change-Id: I35a5e085ff9813ba774f6f24feccb4d0f04019fe
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Add variables for session file and name

Task-number: QTCREATORBUG-9900

Change-Id: Id445b21042927cb24a7328fd01ade5b622cf9d1c
Reviewed-by: Daniel Teske <daniel.teske@digia.com>