Updated all table view cells; there are two main changes:
1) Added vertical spacing of 2 points between `titleLabel` and `subtitleLabel` to "put back" this space (since `ALLabel` doesn't add in the extra space anymore).
2) Each `titleLabel` now uses "Headline" font style, and each `subtitleLabel`, `textView`, and `textField` now use "Subhead" font style. This mitigates the accessibility-size-fonts issue.