0.7.0

• Disable password saving, preferring external password managers.
• Disable tab hover images.
• Disable recent searches from URL bar suggestions.
• Add support for custom user.js file. Custom user.js file can be placed inside custom directory, which
  is then appended to the built user.js file.
• Improve new tab page's "Add Shortcut" tile's styles.
• Improve new tab page's shortcut grid styling on rows that do not have enough items to fill the whole row.