prettier

diff

• Fix extra parens for update expressions (#796)
• Fix empty options (#803)
• Eagerly evaluate ifBreak when processing template literals (fixes #795
• Fix function declaration params comments (#802)
• Update flow to 0.40 (#808)
• Correct link for travis
• Fix function call args (#809)
• Properly support do (#811)
• Do not put parenthesis around not named default export (#819)
• Adds another preset to related projects (#820)
• Fix trailing commas in docs ()