fix `print_widget_tree` method of gui test assistant
make sure autoview does not pick up private attributes
make sure that auto_view capitalizes the labels similar to how traits
ui is doing
cleanup logic to find the right editor for each trait
add a private trait
basic test for autoview
pep8 and pyflakes
minor code layout rework
add check for the labels
remove unused change handler
add check on the tests
Merge branch 'master' into add-tests-for-auto-view

# Via IoannisTziakos (2) and others
* master:
  one more time
  fix pip install for PIL
  import qt from enaml inside tests/__init__.py
  rename README.md to README.rst
  add build and coverage status badge
Merge pull request #43 from enthought/add-tests-for-auto-view

Add tests for auto view