Update text for OAuth 2.0 and Google SSO (#3740)

* Update help text for OAuth

* Update oauth_settings.jsx

* Update en.json

webapp/components/admin_console/custom_integrations_settings.jsx

@@ -117,7 +117,7 @@ export default class WebhookSettings extends AdminSettings {
                     helpText={
                         <FormattedMessage
                             id='admin.oauth.providerDescription'
-                            defaultMessage='When true, Mattermost can act as an OAuth 2.0 service provider allowing external applications to authorize API requests to Mattermost.'
+                            defaultMessage='When true, Mattermost can act as an OAuth 2.0 service provider allowing Mattermost to authorize API requests from external applications.'
                         />
                     }
                     value={this.state.enableOAuthServiceProvider}

webapp/components/admin_console/oauth_settings.jsx

@@ -385,7 +385,7 @@ export default class OAuthSettings extends AdminSettings {
             helpText = (
                 <FormattedHTMLMessage
                     id='admin.google.EnableHtmlDesc'
-                    defaultMessage='<ol><li><a href="https://accounts.google.com/login">Log in</a> to your Google account.</li><li>Go to <a href="https://console.developers.google.com">https://console.developers.google.com</a>, click <strong>Credentials</strong> in the left hand sidebar and enter "Mattermost - your-company-name" as the <strong>Project Name</strong>, then click <strong>Create</strong>.</li><li>Click the <strong>OAuth consent screen</strong> header and enter "Mattermost" as the <strong>Product name shown to users</strong>, then click <strong>Save</strong>.</li><li>Under the <strong>Credentials</strong> header, click <strong>Create credentials</strong>, choose <strong>OAuth client ID</strong> and select <strong>Web Application</strong>.</li><li>Under <strong>Restrictions</strong> and <strong>Authorized redirect URIs</strong> enter <strong>your-mattermost-url/signup/google/complete</strong> (example: http://localhost:8065/signup/google/complete). Click <strong>Create</strong>.</li><li>Paste the <strong>Client ID<strong> and <strong>Client Secret<strong> to the fields below, then click <strong>Save</strong>.</li><li>Finally, go to <a href="https://console.developers.google.com/apis/api/plus/overview">Google+ API</a> and click <strong>Enable</strong>. This might take a few minutes to propagate through Google`s systems.</li></ol>'
+                    defaultMessage='<ol><li><a href="https://accounts.google.com/login">Log in</a> to your Google account.</li><li>Go to <a href="https://console.developers.google.com">https://console.developers.google.com</a>, click <strong>Credentials</strong> in the left hand sidebar and enter "Mattermost - your-company-name" as the <strong>Project Name</strong>, then click <strong>Create</strong>.</li><li>Click the <strong>OAuth consent screen</strong> header and enter "Mattermost" as the <strong>Product name shown to users</strong>, then click <strong>Save</strong>.</li><li>Under the <strong>Credentials</strong> header, click <strong>Create credentials</strong>, choose <strong>OAuth client ID</strong> and select <strong>Web Application</strong>.</li><li>Under <strong>Restrictions</strong> and <strong>Authorized redirect URIs</strong> enter <strong>your-mattermost-url/signup/google/complete</strong> (example: http://localhost:8065/signup/google/complete). Click <strong>Create</strong>.</li><li>Paste the <strong>Client ID</strong> and <strong>Client Secret</strong> to the fields below, then click <strong>Save</strong>.</li><li>Finally, go to <a href="https://console.developers.google.com/apis/api/plus/overview">Google+ API</a> and click <strong>Enable</strong>. This might take a few minutes to propagate through Google`s systems.</li></ol>'
                 />
             );
         } else if (this.state.oauthType === Constants.OFFICE365_SERVICE) {