Route back to activities after adding gear to an activity
Cleanup when removing a view from the DOM

This unwires events to models used by a view when it is removed from the DOM
Add text to add gear button on activities listing page
Simplify and restyle the profile page
Truncate mile formatter to one decimal place
Calculate the total distance of all combined activities for an account
Adjust styling of activity display
Add text-dark color less variable.
Remove the bottom border from the last mileage list item on the mileage view
Remove page border from authentication page
Ignore the app.css file.
Remove unneeded clear fixes.
Remove no-op warnings
Rename add-gear view to more appropriate add-gear-to-actvitity
Switch from orange to blue theme
Add error display to create edit gear form
Add an "Add Gear" button to mileage template
Add error transitions
Make all simple-buttons the same size
Change ordering of user menu