Turn FiBu into AlekSIS app

aleksis/apps/fibu/forms.py

aleksis/apps/fibu/menus.py

aleksis/apps/fibu/migrations/0001_initial.py

aleksis/apps/fibu/migrations/0002_auto_20191228_1357.py

aleksis/apps/fibu/migrations/0003_auto_20191228_1553.py

aleksis/apps/fibu/models.py

aleksis/apps/fibu/templates/fibu/account/edit.html

aleksis/apps/fibu/templates/fibu/account/index.html

aleksis/apps/fibu/templates/fibu/booking/book.html

aleksis/apps/fibu/templates/fibu/booking/check.html

aleksis/apps/fibu/templates/fibu/booking/edit.html

aleksis/apps/fibu/templates/fibu/booking/index.html

aleksis/apps/fibu/templates/fibu/booking/new.html

aleksis/apps/fibu/templates/fibu/cost_center/edit.html

aleksis/apps/fibu/templates/fibu/cost_center/index.html

aleksis/apps/fibu/templates/fibu/index.html

aleksis/apps/fibu/templates/fibu/reports/expenses.html

aleksis/apps/fibu/templates/fibu/reports/index.html

aleksis/apps/fibu/views.py