Add trips table.
Start adding validations for Trip model.
Start trips controller with index action.
New and create for trips.
Edit and update for trips.
Destroy for trips.
Merge branch 'master' into feature/trips
Add trip creation to planner.
Add link to logo.
Flash notice on successful trip creation.
Adjust add_trip partial.
Display trips on planner.
Allow editing of trips.
Add link to dashboard in header.
Add time_period, update certainty for trips.
Add try to possible nil attributes.
Remove changing existing comments from migration.
Start trip ids at 1000
Add JS to handle displaying trip certainty radios
Uncheck certainty if non-future time period selected.