Fix crumb paths

app/templates/breadcrumbs.html

@@ -1,6 +1,6 @@
 <div class="breadcrumbs">
 <nav class="breadcrumb" aria-label="breadcrumbs">
-{% set ns = namespace(crumb_path=request.url_root[:-1])%}
+{% set ns = namespace(crumb_path="")%}
 {# We use a namespace since jinja 2 variables cannot persist outside loops
     The crumb_path var dynamically constructs urls for each breadcrumb based on request.path (removing the trailing slash),
     We need to do this for the file viewer, as it can have many nested directories, but works for all other pages. #}