Makes non-essential changes to code formatting.

Mainly removes trailing whitespace.
Appends "votes" to number of votes.
Adds "View my suggestions" to menu when not signed in.
Removes trailing whitespace.
Adds help option to menu.

This is in preparation for adding a tutorial.
Allows menu items to always be displayed.

Allows menu items to always be displayed regardless of whether the user
is signed in.
Adds tutorial.
Adds tutorial/tour using trip.
Merge branch 'prototype3'