Fix broken nginx PPA in Travis install script and update ESLint rules

.eslintrc.yaml

@@ -0,0 +1,69 @@
+---
+parser: babel-eslint
+env:
+  browser: true
+extends: [airbnb, plugin:react/recommended]
+plugins: [import, react]
+settings:
+  import/resolver:
+    webpack:
+      config: webpack.config.js
+
+rules:
+  array-callback-return: 1
+  arrow-parens: 1
+  camelcase: off
+  class-methods-use-this: 1
+  comma-dangle: [1, only-multiline]
+  consistent-return: 0
+  default-case: 0
+  dot-notation: 1
+  eqeqeq: 1
+  guard-for-in: 1
+  import/imports-first: 1
+  import/no-mutable-exports: 0
+  jsx-a11y/anchor-is-valid: [warn, {"aspects": [invalidHref]}]
+  jsx-a11y/href-no-hash: 'off'
+  jsx-a11y/label-has-for: 0
+  jsx-a11y/no-static-element-interactions: 1
+  max-len: [0, 80, 2, {"ignoreComments": true}]
+  no-bitwise: 1
+  no-class-assign: 0
+  no-cond-assign: [2, except-parens]
+  no-continue: 1
+  no-else-return: 0
+  no-extend-native: 1
+  no-fallthrough: 'off'
+  no-param-reassign: 0
+  no-plusplus: 1
+  no-prototype-builtins: 1
+  no-restricted-syntax: 1
+  no-unused-expressions: 1
+  no-unused-vars: [1, {"args": none, "vars": local}]
+  no-use-before-define: 1
+  prefer-const: 1
+  quote-props: [1, consistent-as-needed]
+  quotes: 0
+  radix: 0
+  react/forbid-prop-types: 1
+  space-infix-ops: 0
+  no-underscore-dangle: [2, {"allowAfterThis": true}]
+  vars-on-top: 0
+  object-curly-newline: [2, {"consistent": true}]
+  function-paren-newline: [2, "consistent"]
+  react/no-array-index-key: 1
+  jsx-a11y/click-events-have-key-events: 0
+  jsx-a11y/no-noninteractive-element-interactions: 1
+  prefer-promise-reject-errors: 1
+  react/jsx-key: 1
+  indent: 1
+  import/no-unresolved: 1
+  import/extensions: 1
+  react/destructuring-assignment: 1
+  react/jsx-one-expression-per-line: 1
+  react/jsx-wrap-multilines: 1
+  operator-linebreak: 1
+  lines-between-class-members: 1
+  react/no-access-state-in-setstate: 1
+  implicit-arrow-linebreak: 1
+  jsx-a11y/label-has-associated-control: 1

.travis/travis_install.sh

@@ -8,7 +8,7 @@ section "install.base.requirements"
 firefox --version
 
 # Install v1.7 or newer of nginx to support 'if' statement for logging
-sudo apt-add-repository -y ppa:nginx/development
+sudo apt-add-repository -y ppa:nginx/stable
 sudo apt update
 sudo apt install -y nginx
 

static/js/components/FoldableRow.jsx

@@ -8,7 +8,8 @@
  * The second element can be, e.g., another row in the table.
  * */
 
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import colorScheme from './colorscheme';
 
 const cs = colorScheme;

static/js/components/Plot.jsx

@@ -1,4 +1,5 @@
 import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 import { showNotification } from 'baselayer/components/Notifications';
 /* eslint-disable */
@@ -71,8 +72,8 @@ class Plot extends Component {
   }
 }
 Plot.propTypes = {
-  url: React.PropTypes.string.isRequired,
-  dispatch: React.PropTypes.func.isRequired
+  url: PropTypes.string.isRequired,
+  dispatch: PropTypes.func.isRequired
 };
 
 Plot = connect()(Plot);

static/js/components/Progress.jsx

@@ -1,4 +1,5 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 
 const Progress = (props) => {
   let response = '';
@@ -25,7 +26,7 @@ const Progress = (props) => {
 };
 
 Progress.propTypes = {
-  type: React.PropTypes.string.isRequired
+  type: PropTypes.string.isRequired
 };
 
 export default Progress;

static/js/components/Projects.jsx

@@ -1,4 +1,5 @@
-import React, { PropTypes } from 'react';
+import React from 'react';
+import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 import { reduxForm } from 'redux-form';
 

static/js/components/UserProfile.jsx

@@ -1,12 +1,13 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 
 let UserProfile = props => (
   <div style={props.style}>{props.profile.username}</div>
 );
 UserProfile.propTypes = {
-  style: React.PropTypes.object.isRequired,
-  profile: React.PropTypes.object.isRequired
+  style: PropTypes.object.isRequired,
+  profile: PropTypes.object.isRequired
 };
 
 const mapStateToProps = state => (