v0.015

   Added crispr bookmarking buttons to genoverse view
   Added remove bookmark buttons to "My Bookmarks" page
Added find or create crispr pair rest method
Fixed individual crispr calls in the API
Merge branch 'devel' into new_db
Fixed CSV download, and included pair id in find_pairs regardless of db data
CSV bugfix
Merge branch 'master' into devel
    Added CSV download button for an exon
    Exons will now be selected on a page refresh
    Fixes to the individual crispr API for imits