Why hmr and other are added to dependencies when they are not required in production

[thekalinga]

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• I'm submitting a ...
  [ ] bug report
  [ ] feature request
  [ x ] question about the decisions made in the repository

• Do you want to request a feature or report a bug?

• What is the current behavior?

Why are the the following libraries added to dependencies section instead of devDependencies section, as hot module reloading functionality is not required in production.

"@angularclass/conventions-loader": "^1.0.2",
"@angularclass/hmr": "~1.2.2",
"@angularclass/hmr-loader": "~3.0.2",
"assets-webpack-plugin": "^3.4.0",

• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via
  https://plnkr.co or similar (you can use this template as a starting point: http://plnkr.co/edit/tpl:AvJOMERrnz94ekVua0u5).

• What is the expected behavior?

These dependencies should be part of devDependencies

• What is the motivation / use case for changing the behavior?

• Please tell us about your environment:

• Angular version: 2.0.0-beta.X
• Browser: [all | Chrome XX | Firefox XX | IE XX | Safari XX | Mobile Chrome XX | Android X.X Web Browser | iOS XX Safari | iOS XX UIWebView | iOS XX WKWebView ]

• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. stackoverflow, gitter, etc)