lecture view, mobile UI, DB settings

lectures/admin.py

...rematerial_rename_event_lecturelector_lecture_and_more.py

...es/migrations/0003_alter_lecturematerial_file_and_more.py

...es/migrations/0004_alter_lecturematerial_file_and_more.py

lectures/migrations/0005_lecturegroup.py

...es/migrations/0006_alter_lecturegroup_options_and_more.py

lectures/migrations/0007_alter_lecture_options.py

lectures/migrations/0008_alter_lecture_options.py

...tions/0009_remove_lecturegroup_lectures_lecture_groups.py

lectures/migrations/0010_alter_lecturegroup_options.py

...011_lecturegroup_description_alter_lecture_description.py

...rations/0012_lecturelector_username_alter_lecture_type.py

lectures/migrations/0013_rename_link_lecturelector_url.py

...014_alter_lecture_options_alter_lecturelector_username.py

lectures/models.py

lectures/settings.py

lectures/templates/lectures/includes/lecture.html

lectures/templates/lectures/view_group_lectures.html

lectures/templates/lectures/view_groups.html

lectures/templates/lectures/view_lecture.html