Add a "dummy" link from reserves list LTI tool to iSites reserves tool that passes the course instance ID.  Set up a config variable that is the iSites tool url with a placeholder for the course instance id.  Initial rendering of link, if present, on LTI tool results page.  Some PEP-8 cleanup of views.py file.
Align the link for managing reserves lists
Merge branch 'develop' into feature/reserves_list_isites_link
Merge pull request #61 from Harvard-University-iCommons/feature/reserves_list_isites_link

Feature/reserves list isites link