Remove non-leading-dot relative import.

"import views" => "from ckeditor import views"
utils: Move to ckeditor.utils.image_resize for maintainability
Delete redundant ckeditor/tests.py

tests were refactored from module ckeditor/test.py into package
ckeditor/tests/ in bc053d4, but the module file was not deleted.
Move non-view utility functions in ckeditor.views into ckeditor.utils
Invoke CKEDITOR with jQuery, clean up init code, python refactoring
Move all config settings to ckeditor.settings