fix (most) command line deprecations

still getting:

DEPRECATION: An addon is trying to access project.nodeModulesPath. This is not a reliable way to discover npm modules. Instead, consider doing: require("resolve").sync(something, { basedir: project.root }). Accessed from:   NPMDependencyVersionChecker (/Users/tom/code/ember-cli-cedar/node_modules/ember-cli-github-pages/node_modules/ember-cli-version-checker/src/npm-dependency-version-checker.js:11:32)

seems to be related to ember-cli/ember-cli-version-checker#48 (comment)

looks like it's:

├─┬ [email protected]
│ ├─┬ [email protected]
│ │ └── [email protected]  deduped
│ └── [email protected]

index.js

@@ -33,8 +33,8 @@ module.exports = {
   included(app) {
     this._super.included.apply(this, arguments);
     // parse options from ember-cli-build
-    this.options = app && app.options && app.options.cedar;
-    this.amChartsOptions = this.options && this.options.amCharts;
+    const options = app && app.options;
+    this.amChartsOptions = options && options.cedar && options.cedar.amCharts;
     this.hasAmChartsImports = this.amChartsOptions && this.amChartsOptions.imports && this.amChartsOptions.imports.length > 0;
     // when bundling scripts, need to also serve the amCharts assets
     // that those scripts will dynamically load
@@ -53,8 +53,7 @@ module.exports = {
   treeForVendor (vendorTree) {
     // copy cedar dist files to vendor folder
     var cedarTree = new Funnel(path.dirname(require.resolve('@esri/cedar/dist/umd/cedar.js')), {
-      // TODO: other files? source maps etc?
-      files: ['cedar.js', 'themes/amCharts/calcite.js'],
+      files: ['cedar.js', 'cedar.js.map', 'themes/amCharts/calcite.js'],
       destDir: 'cedar'
     });
     var treesToMerge = [vendorTree, cedarTree];

package.json

@@ -38,7 +38,7 @@
     "ember-cli": "~2.18.0",
     "ember-cli-dependency-checker": "^2.0.0",
     "ember-cli-eslint": "^4.2.1",
-    "ember-cli-github-pages": "0.1.2",
+    "ember-cli-github-pages": "^0.1.3",
     "ember-cli-htmlbars-inline-precompile": "^1.0.0",
     "ember-cli-inject-live-reload": "^1.4.1",
     "ember-cli-qunit": "^4.1.1",