Replace "firstRun" config option with "openSidebar" and "openLoginForm"

This commit deprecates the confusingly-named "firstRun" embed script
option with two which actually describe the relevant actions triggered.

Unfortunately, at the moment this requires a fairly horrific check that
the string value of a config option is not the literal 'false', due to
the way that the Host code passes configuration from the page frame to
the sidebar frame (using URL query string parameters).

h/static/scripts/annotator/sidebar.coffee

@@ -24,7 +24,7 @@ module.exports = class Sidebar extends Host
     super
     this.hide()
 
-    if options.firstRun || options.annotations
+    if options.openSidebar || options.annotations
       this.on 'panelReady', => this.show()
 
     if @plugins.BucketBar?

h/static/scripts/annotator/test/config-test.js

@@ -55,12 +55,12 @@ describe('annotator configuration', function () {
   it('merges the config from hypothesisConfig()', function () {
     var fakeWindow = Object.assign({}, fakeWindowBase, {
       hypothesisConfig: function () {
-        return {firstRun: true};
+        return {foo: true};
       },
     });
     assert.deepEqual(config(fakeWindow), {
       app: 'app.html',
-      firstRun: true,
+      foo: true,
     });
   });
 

h/static/scripts/app-controller.js

@@ -79,7 +79,11 @@ module.exports = function AppController(
     // update the auth info in the top bar and show the login form
     // after first install of the extension.
     $scope.auth = authStateFromUserID(state.userid);
-    if (!state.userid && settings.firstRun) {
+
+    // FIXME: Fix this horrendous !== 'false' conditional. Unfortunately, we
+    // currently pass settings from the hosting page into the sidebar via the
+    // URL query string, so type information is lost. Ugh.
+    if (!state.userid && settings.openLoginForm && settings.openLoginForm !== 'false') {
       $scope.login();
     }
   });

h/static/scripts/test/app-controller-test.js

@@ -94,7 +94,6 @@ describe('AppController', function () {
     };
 
     fakeSettings = {
-      firstRun: false,
       serviceUrl: 'http://fake.service.com/',
     };
 

scripts/gulp/live-reload-server.js

@@ -45,7 +45,7 @@ function LiveReloadServer(port, appServer) {
           liveReloadServer: 'ws://' + appHost + ':${port}',
 
           // Open the sidebar when the page loads
-          firstRun: true,
+          openSidebar: true,
         };
       };