new core.middleware sets cookie for scroll timestamp view to local browser time, w. new corresponding tests in core.tests.UTs.test_middleware; apps.lyric.templatetags.lyric_extras determines timestamp format based on duration elapsed since timestamp; apps.bill.tests.ITs.test_views renamed, now also asserts scroll renders event body and time in columns

src/core/settings.py

@@ -79,6 +79,7 @@ MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'whitenoise.middleware.WhiteNoiseMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'core.middleware.TimezoneMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',