add unique titles to docs, tutorial, blog

www/src/pages/blog/index.js

@@ -1,4 +1,6 @@
 import React from "react"
+import Helmet from "react-helmet"
+
 import Container from "../../components/container"
 import BlogPostPreviewItem from "../../components/blog-post-preview-item"
 
@@ -19,6 +21,9 @@ class BlogPostsIndex extends React.Component {
  },
  }}
  >
+ <Helmet>
+ <title>Blog</title>
+ </Helmet>
  <Container
  css={{
  [presets.Tablet]: {
@@ -67,11 +72,11 @@ class BlogPostsIndex extends React.Component {
  marginRight: rhythm(-options.blockMarginBottom * 2),
  transition: `transform ${presets.animation.speedDefault} ${
  presets.animation.curveDefault
- }, box-shadow ${presets.animation.speedDefault} ${
+  }, box-shadow ${presets.animation.speedDefault} ${
  presets.animation.curveDefault
- }, padding ${presets.animation.speedDefault} ${
+  }, padding ${presets.animation.speedDefault} ${
  presets.animation.curveDefault
- }`,
+  }`,
  "&:hover": {
  transform: `translateY(-4px)`,
  boxShadow: `0 10px 42px rgba(25, 17, 34, 0.1)`,

www/src/pages/docs/bound-action-creators.js

@@ -1,4 +1,5 @@
 import React from "react"
+import Helmet from "react-helmet"
 
 import Functions from "../../components/function-list"
 import { rhythm, scale } from "../../utils/typography"
@@ -8,6 +9,9 @@ class ActionCreatorsDocs extends React.Component {
  render() {
  return (
  <Container>
+ <Helmet>
+ <title>Bound Action Creators</title>
+ </Helmet>
  <h1 css={{ marginTop: 0 }}>Bound Action Creators</h1>
  <p>
  Gatsby uses

www/src/pages/docs/browser-apis.js

@@ -1,4 +1,5 @@
 import React from "react"
+import Helmet from "react-helmet"
 
 import Functions from "../../components/function-list"
 import { rhythm, scale } from "../../utils/typography"
@@ -8,6 +9,9 @@ class BrowserAPIDocs extends React.Component {
  render() {
  return (
  <Container>
+ <Helmet>
+ <title>Browser APIs</title>
+ </Helmet>
  <h1 css={{ marginTop: 0 }}>Gatsby Browser APIs</h1>
  <h2 css={{ marginBottom: rhythm(1 / 2) }}>Usage</h2>
  <p css={{ marginBottom: rhythm(1) }}>

www/src/pages/docs/index.js

@@ -1,5 +1,6 @@
 import React from "react"
 import Link from "gatsby-link"
+import Helmet from "react-helmet"
 
 import SidebarBody from "../../components/sidebar-body"
 import docsSidebar from "./doc-links.yaml"
@@ -10,6 +11,9 @@ class IndexRoute extends React.Component {
  render() {
  return (
  <Container>
+ <Helmet>
+ <title>Docs</title>
+ </Helmet>
  <h1 css={{ marginTop: 0 }}>Get started</h1>
  <p>Gatsby is a blazing-fast static site generator for React.</p>
  <h2>Install Gatsby{`'`}s command line tool</h2>

www/src/pages/docs/node-apis.js

@@ -1,4 +1,5 @@
 import React from "react"
+import Helmet from "react-helmet"
 
 import Functions from "../../components/function-list"
 import { rhythm, scale } from "../../utils/typography"
@@ -8,6 +9,9 @@ class NodeAPIDocs extends React.Component {
  render() {
  return (
  <Container>
+ <Helmet>
+ <title>Node APIs</title>
+ </Helmet>
  <h1 css={{ marginTop: 0 }}>Gatsby Node APIs</h1>
  <p>
  Gatsby gives plugins and site builders many APIs for controlling your

www/src/pages/docs/ssr-apis.js

@@ -1,4 +1,5 @@
 import React from "react"
+import Helmet from "react-helmet"
 
 import Functions from "../../components/function-list"
 import { rhythm, scale } from "../../utils/typography"
@@ -8,6 +9,9 @@ class SSRAPIs extends React.Component {
  render() {
  return (
  <Container>
+ <Helmet>
+ <title>SSR APIs</title>
+ </Helmet>
  <h1 css={{ marginTop: 0 }}>Gatsby Server Rendering APIs</h1>
  <h2 css={{ marginBottom: rhythm(1 / 2) }}>Usage</h2>
  <p css={{ marginBottom: rhythm(1) }}>

www/src/pages/features.js

@@ -1,4 +1,6 @@
 import React, { Component } from "react"
+import Helmet from "react-helmet"
+
 import EvaluationTable from "../components/evaluation-table"
 import EvaluationCell from "../components/evaluation-cell"
 import FuturaParagraph from "../components/futura-paragraph"
@@ -67,6 +69,9 @@ const LegendTable = () => {
 
  return (
  <div>
+ <Helmet>
+ <title>Features</title>
+ </Helmet>
  <div
  css={{
  border: `1px solid ${legendBorderColor}`,
@@ -151,7 +156,7 @@ const FeaturesHeader = () => (
  </div>
 )
 
-const getFeaturesData = function(data) {
+const getFeaturesData = function (data) {
  const sections = (data || [])
  .map((row, i) => (row.node.Category ? i : -1))
  .filter(rowNum => rowNum !== -1)

www/src/pages/tutorial.js

@@ -1,9 +1,14 @@
 import React from "react"
+import Helmet from "react-helmet"
 import Link from "gatsby-link"
+
 import Container from "../components/container"
 
 export default () => (
  <Container>
+ <Helmet>
+ <title>Tutorial</title>
+ </Helmet>
  <h1 css={{ marginTop: 0 }}>Gatsby.js Tutorial</h1>
  <p>
  Hi! We’re so happy you decided to try using Gatsby. This tutorial has (or