Make connection and color packages peer dependencies (#59)

* Make connection and color packages peer dependencies

- Also updating the version of the color package in the demo package to be the latest

* Addressing PR comments. Only updating the version of the color package in the demo package

superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/package.json

@@ -32,9 +32,11 @@
     "reselect": "^4.0.0"
   },
   "devDependencies": {
+    "@superset-ui/connection": "^0.7.0",
     "react": "^15 || ^16"
   },
   "peerDependencies": {
+    "@superset-ui/connection": "^0.7.0",
     "react": "^15 || ^16"
   }
 }

superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-demo/package.json

@@ -33,7 +33,7 @@
     "@storybook/addon-knobs": "^4.0.2",
     "@storybook/addon-options": "^4.0.3",
     "@storybook/react": "^4.0.2",
-    "@superset-ui/color": "^0.4.0",
+    "@superset-ui/color": "^0.7.0",
     "babel-loader": "^8.0.4",
     "git-directory-deploy": "^1.5.1",
     "react": "^16.6.0",