Updates code comments

- Updates punctuation on code comments.
- Expands on some comments.
- Removes unused CSS.
Merge upstream
Removes unused styles
Code comment formatting

Adds additional code comments and grammar updates.
Updates google translate id format

Makes google translate id use dashes instead of underscores for
consistency with prevailing CSS style.
Fixes merge errors

Some settings didn’t get merged correctly, this pulls in the correct
changes from head.
Fixes error where input corner was not rounding

Lower-right of input in the location search filter needed to be rounded
but it was not. This fixes that issue.
Formatting in variables

Adds formatting for variables:
- Adding punctuation to additional code comments.
- Adding notification colors, with an error alert color to begin with.
- Adjusts colors to fit with existing color scheme settings.
Merge pull request #10 from codeforamerica/464-refactor-color-variables-take-two

464 refactor color variables take two