Fixed buiding SimpleView example

Change-Id: I9c7f30ccff1ae9fed6ba48400c11d211abc26035
Enable the Qt examples, update their build systems

Some of them hard coded paths to data in VTKData that no longer exists,
I verified that they build and run locally (Linux 64 bit).

Change-Id: Iff8d0b043d5a91dc94c27e1cf131b69fb0554cef
Merge topic 'example-simple-view' into master

a4cce567 Enable the Qt examples, update their build systems
ab1aab29 Fixed buiding SimpleView example