lots of warnings from npm install

[sfthurber]

C:\Users\user>cd rxpstart

C:\Users\user\rxpstart>npm install
npm WARN deprecated [email protected]: connect 2.x series is deprecated
npm WARN deprecated [email protected]: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
npm WARN deprecated [email protected]: Use uuid module instead
npm WARN deprecated [email protected]: This package is unmaintained. Use @sinonjs/formatio instead
npm WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha1-NgSLv/TntH4TZkQxbJlmnqWukfE= integrity checksum failed when using sha1: wanted sha1-NgSLv/TntH4TZkQxbJlmnqWukfE= but got sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==. (2872 bytes)
npm WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.

[email protected] postinstall C:\Users\user\rxpstart\node_modules\spawn-sync
node postinstall

npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN [email protected] requires a peer of react-addons-perf@^15.4.1 but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of react@~15.4.1 but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of react-native@~0.33.0 but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of react@~15.3.1 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})