Analyzer: De-noise

Change-Id: I13796142c56621e56ba6142d214e01f6373369bd
Reviewed-by: hjk <hjk121@nokiamail.com>
QtSupport: Remove some useless namespaces

No need to prepend QtSupport:: in QtSupport.

Change-Id: I9c17bfabfdfb79041cfaef2049a3f3d5415f653a
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Qtsupport: accept const toolchain in debugginghelperbuildtask

Change-Id: Ic58f9749205063765c51dff3d133da501eb04952
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>