Update from beta to final babel 7

Author: jrjohnson

package.json

@@ -1,7 +1,7 @@
 {
   "devDependencies": {
-    "@babel/core": "^7.0.0-beta.42",
-    "@babel/preset-env": "^7.0.0-beta.42",
+    "@babel/core": "^7.0.0",
+    "@babel/preset-env": "^7.0.0",
     "babel-core": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "eslint": "^4.19.1",
@@ -40,7 +40,7 @@
     "semver": "^5.3.0"
   },
   "peerDependencies": {
-    "@babel/core": "^7.0.0-beta.42"
+    "@babel/core": "^7.0.0"
   },
   "jest": {
     "testMatch": [