chore(package): update ember-cli-flash to version 1.6.2

Closes #1559

package.json

@@ -40,7 +40,7 @@
     "ember-cli-deploy-slack": "1.0.0",
     "ember-cli-dotenv": "1.2.0",
     "ember-cli-eslint": "^4.2.1",
-    "ember-cli-flash": "1.5.0",
+    "ember-cli-flash": "1.6.2",
     "ember-cli-htmlbars": "^2.0.1",
     "ember-cli-htmlbars-inline-precompile": "^1.0.0",
     "ember-cli-inject-live-reload": "^1.4.1",

yarn.lock

@@ -2601,6 +2601,24 @@ ember-cli-babel@^6.0.0, ember-cli-babel@^6.0.0-beta.4, ember-cli-babel@^6.0.0-be
     clone "^2.0.0"
     ember-cli-version-checker "^2.0.0"
 
+ember-cli-babel@^6.10.0:
+  version "6.10.0"
+  resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-6.10.0.tgz#81424acd1d97fb13658168121eeb2007d6edee84"
+  dependencies:
+    amd-name-resolver "0.0.7"
+    babel-plugin-debug-macros "^0.1.11"
+    babel-plugin-ember-modules-api-polyfill "^2.0.1"
+    babel-plugin-transform-es2015-modules-amd "^6.24.0"
+    babel-polyfill "^6.16.0"
+    babel-preset-env "^1.5.1"
+    broccoli-babel-transpiler "^6.1.2"
+    broccoli-debug "^0.6.2"
+    broccoli-funnel "^1.0.0"
+    broccoli-source "^1.1.0"
+    clone "^2.0.0"
+    ember-cli-version-checker "^2.1.0"
+    semver "^5.4.1"
+
 ember-cli-bourbon@2.0.0-beta.1:
   version "2.0.0-beta.1"
   resolved "https://registry.yarnpkg.com/ember-cli-bourbon/-/ember-cli-bourbon-2.0.0-beta.1.tgz#9d9b07bd4c7da7b2806ea18fc5cb9b37dd15ad25"
@@ -2789,11 +2807,11 @@ ember-cli-eslint@^4.2.1:
     rsvp "^4.6.1"
     walk-sync "^0.3.0"
 
-ember-cli-flash@1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/ember-cli-flash/-/ember-cli-flash-1.5.0.tgz#d4e0edf618376ffbf648512d92d5ff7a0f0ffb0c"
+ember-cli-flash@1.6.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/ember-cli-flash/-/ember-cli-flash-1.6.2.tgz#7c3527aa6016039fc63265135fc21501d1c2bde0"
   dependencies:
-    ember-cli-babel "^6.3.0"
+    ember-cli-babel "^6.10.0"
     ember-cli-htmlbars "^2.0.1"
     ember-runtime-enumerable-includes-polyfill "^2.0.0"
 
@@ -7200,7 +7218,7 @@ scss-tokenizer@^0.2.3:
     js-base64 "^2.1.8"
     source-map "^0.4.2"
 
-"semver@2 || 3 || 4 || 5", semver@^5.1.0, semver@^5.1.1, semver@^5.3.0:
+"semver@2 || 3 || 4 || 5", semver@^5.1.0, semver@^5.1.1, semver@^5.3.0, semver@^5.4.1:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"