diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e43b0f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/package-overrides/github/jmcriffey/bower-traceur-runtime@0.0.87.json b/package-overrides/github/jmcriffey/bower-traceur-runtime@0.0.87.json
new file mode 100644
index 0000000..311c94b
--- /dev/null
+++ b/package-overrides/github/jmcriffey/bower-traceur-runtime@0.0.87.json
@@ -0,0 +1,8 @@
+{
+  "format": "global",
+  "shim": {
+    "traceur-runtime": {
+      "exports": "$traceurRuntime"
+    }
+  }
+}
\ No newline at end of file
diff --git a/package-overrides/github/jmcriffey/bower-traceur@0.0.87.json b/package-overrides/github/jmcriffey/bower-traceur@0.0.87.json
new file mode 100644
index 0000000..82158d0
--- /dev/null
+++ b/package-overrides/github/jmcriffey/bower-traceur@0.0.87.json
@@ -0,0 +1,8 @@
+{
+  "format": "global",
+  "shim": {
+    "traceur": {
+      "exports": "traceur"
+    }
+  }
+}
\ No newline at end of file
diff --git a/package-overrides/npm/babel-runtime@4.7.12.json b/package-overrides/npm/babel-runtime@4.7.12.json
new file mode 100644
index 0000000..10e133e
--- /dev/null
+++ b/package-overrides/npm/babel-runtime@4.7.12.json
@@ -0,0 +1,6 @@
+{
+  "main": false,
+  "format": "cjs",
+  "dependencies": {},
+  "jspmNodeConversion": false
+}
\ No newline at end of file
diff --git a/package-overrides/npm/babel@4.7.12.json b/package-overrides/npm/babel@4.7.12.json
new file mode 100644
index 0000000..cedccf0
--- /dev/null
+++ b/package-overrides/npm/babel@4.7.12.json
@@ -0,0 +1,6 @@
+{
+  "main": "browser.js",
+  "format": "global",
+  "dependencies": {},
+  "jspmNodeConversion": false
+}
\ No newline at end of file