Update to zOS 2.0.0 and version bump to 2.0.0

package-lock.json

 {
   "name": "openzeppelin-eth",
-  "version": "2.0.0-rc.1",
+  "version": "2.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -5386,14 +5386,12 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5413,8 +5411,7 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
@@ -5562,7 +5559,6 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -5674,8 +5670,7 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -16663,9 +16658,9 @@
       }
     },
     "zos": {
-      "version": "2.0.0-rc.0",
-      "resolved": "https://registry.npmjs.org/zos/-/zos-2.0.0-rc.0.tgz",
-      "integrity": "sha512-r+Ui53mp+KNTEMgTuFDeJ+VFDCCSfKlvoE8YdtmTGVdweFGr8sxrWQbGEKz89eqXaCICkDGY+fgEJSyqZKHSGw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/zos/-/zos-2.0.0.tgz",
+      "integrity": "sha512-+67GGQNFco6fTD+qN91/jGJ3Mv/6wQVa7QVgGGcMulho8PCq4oyfaPA5Mn860dWyOD74KHYr1C6H8k+GUckIbQ==",
       "dev": true,
       "requires": {
         "axios": "^0.18.0",
@@ -16682,7 +16677,7 @@
         "truffle-core": "^4.1.13",
         "truffle-workflow-compile": "^1.0.6",
         "web3-provider-engine": "14.0.6",
-        "zos-lib": "^2.0.0-rc.0"
+        "zos-lib": "^2.0.0"
       },
       "dependencies": {
         "ansi-regex": {
@@ -17125,9 +17120,9 @@
       }
     },
     "zos-lib": {
-      "version": "2.0.0-rc.0",
-      "resolved": "https://registry.npmjs.org/zos-lib/-/zos-lib-2.0.0-rc.0.tgz",
-      "integrity": "sha512-kbijPgqyYRwFgq43e6dHf8rUGtFiMXVrNlCTYpJSxhEIaXzwdHdHTLvwj6wTuQMOxiaxCi1bvTlKhmt3wg/24w==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/zos-lib/-/zos-lib-2.0.0.tgz",
+      "integrity": "sha512-uFRFeKUTUHBwnYH81NIMw4/69YX5tSMbhxeIJ+xRYdfKIk8IcvLqE6BHYma2auMiM4inOK8WPLBovIF9QzQDEg==",
       "dev": true,
       "requires": {
         "bignumber.js": "^7.2.0",

package.json

 {
   "name": "openzeppelin-eth",
-  "version": "2.0.0-rc.1",
+  "version": "2.0.0",
   "description": "Secure Smart Contract library for Solidity",
   "files": [
     "build",
@@ -57,9 +57,9 @@
     "truffle": "^4.1.13",
     "truffle-hdwallet-provider": "0.0.5",
     "web3-utils": "^1.0.0-beta.34",
-    "zos": "^2.0.0-rc.0"
+    "zos": "^2.0.0"
   },
   "peerDependencies": {
-    "zos-lib": "^2.0.0-rc.0"
+    "zos-lib": "^2.0.0"
   }
 }