Change-Id: I58d83f4f33728f92e4bf13b6be30b15528fdd033
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>

This also ajust the name to be consistent with other Qt examples.
- Move nano browser one directory level down,
  also renaming them to match their target name
- Remove the dashes from the target names
- Rename the qtquick example directory to quick, matching the style in lib

Change-Id: I4a5e31be0b919ae596eadbf731be52372ae61151
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>

Cleaner than deciding on startup with an env variable

This layers things properly to be able to implement the UI in the
example application instead of directly in shell_qt.cpp.

This is still using global variables to allow the Shell platform
code to do callbacks to the API classes. This should go away once
we properly implemented a WebContentsDelegate.

Some more start-up fixes and a hack for test command line options for debugging multi-process startup