Rename "schedule" to "timeslot". #50

config/sample-development.engine.ini

config/sample-docker.engine.ini

config/sample-production.engine.ini

docs/developer-guide.md

docs/engine-features.md

src/base/exceptions.py

src/core/engine.py

src/core/events.py

src/plugins/trackservice.py

src/scheduling/calendar.py

src/scheduling/calender_fetcher.py

src/scheduling/fallback.py

src/scheduling/models.py

src/scheduling/scheduler.py

tests/connection_tester.py

tests/test.py