Adding outline for DLA exercise, and renaming other files to make room for more

W. Trevor King: I dropped everything from the original 40b8a26 except
for the testing renames.

Conflicts:
	lessons/swc-python/python-00-resize-image.ipynb
	lessons/swc-python/python-01-functions.ipynb
	lessons/swc-python/python-02-loops-indexing.ipynb
	lessons/swc-python/python-03-conditionals-defensive.ipynb
	lessons/swc-python/python-04-files-lists.ipynb

diff --git a/lessons/swc-python/python-5-errors.ipynb b/lessons/swc-python/python-05-errors.ipynb
similarity index 100%
rename from lessons/swc-python/python-5-errors.ipynb
rename to lessons/swc-python/python-05-errors.ipynb

diff --git a/lessons/swc-python/python-6-testing.ipynb b/lessons/swc-python/python-06-testing.ipynb
similarity index 100%
rename from lessons/swc-python/python-6-testing.ipynb
rename to lessons/swc-python/python-06-testing.ipynb