added attached files
code cleanup and comments
Merge branch 'dave-sean-dev' of https://github.com/hmslincs/hmslincs into dave-sean-dev
deploy: technical enhancement

This version preserves a copy of itself, which makes it easier to test.  (The
fact that the script, in its normal operation will likely overwrite itself,
made testing cumbersome before, unless one resorted to excessively frequent
commits.)
set the default logging to "WARN"
remove erroneous url mapping for test
Merge remote-tracking branch 'hmslincs/dave-sean-dev' into dev
added bullet points for CES - needs tutorial link
Merge remote-tracking branch 'hmslincs/dev' into dev
Merge remote-tracking branch 'hmslincs/dave-sean-dev' into dev
remove unneeded "upload_files" in STATICFILES_DIRS
link to HMS LINCS DB tutorial google doc
- replace with pdf link
- changed other links to use "target=_blank"
added Heiser ref to pathway content
updates responses content