Update all package versions to match latest published to NPM

packages/assert/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/assert",
-    "version": "0.2.10",
+    "version": "0.2.12",
     "engines": {
         "node": ">=6.12"
     },
@@ -31,8 +31,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/assert/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.20",
-        "@0xproject/tslint-config": "^0.4.18",
+        "@0xproject/monorepo-scripts": "^0.2.1",
+        "@0xproject/tslint-config": "^0.4.20",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "@types/valid-url": "^1.0.2",
@@ -48,9 +48,9 @@
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/json-schemas": "0.7.22",
-        "@0xproject/typescript-typings": "^0.3.2",
-        "@0xproject/utils": "^0.6.2",
+        "@0xproject/json-schemas": "0.8.1",
+        "@0xproject/typescript-typings": "^0.4.1",
+        "@0xproject/utils": "^0.7.1",
         "lodash": "^4.17.4",
         "valid-url": "^1.0.9"
     },