files for modules/packages prac

advanced_topics/modules_and_packages/fsleyes/__init__.py

..._topics/modules_and_packages/fsleyes/controls/__init__.py

...cs/modules_and_packages/fsleyes/controls/locationpanel.py

...modules_and_packages/fsleyes/controls/overlaylistpanel.py

advanced_topics/modules_and_packages/fsleyes/frame.py

advanced_topics/modules_and_packages/fsleyes/main.py

...ced_topics/modules_and_packages/fsleyes/views/__init__.py

...opics/modules_and_packages/fsleyes/views/lightboxpanel.py

...d_topics/modules_and_packages/fsleyes/views/orthopanel.py

advanced_topics/modules_and_packages/module_and_script.py