QtIFW

Rewrite the component getter mess, remove superfluous methods.

Now we can combine some enum values to achieve the same as before
with the several getter functions, removes the clutter from the API.

Change-Id: I6368b0ff77821ac95d1defaec4af27dd7d383396
Reviewed-by: Jarek Kobus <jaroslaw.kobus@digia.com>