added 'index' app to settings.py
added login.html page

updated login href in header1.html
added "list species" link to home page
added "species_detail.html" page

and update views.py for transfer object to it

update urls.py for "/list" url
updated "search.html" page
updated "pages/index.html" to include "header1.html"
automatically updates ??  :-/
added the "search" feature by scientific name only