Move the code that compares the Qt version's debug|release property
with the build configuration's debug|release property
to the new build configuration class.

Reviewed-by: dt

Complements 275146af

Task-Number: QTCREATORBUG-386

Reviewed-by: dt

done with thorbjorn

Moved Completion::getCompletion() in ICompletionCollector and made the filtering of completion items more C++ friendly.

Reviewed-by: kh1

Convenient when you don't want to see all the big license headers.

 * Use a custom details button rendering.
   This should work better on the mac ans looks nicer, too:-)

Reviewed-by: Roberto Raggi

Reviewed-by: kh1

more robustness in case qt's namespace cannot be determined
work on qvariant dumper

SCP chokes on full path names, thus set the wd to the delploy dir.