Change WebSocket dependency to be browser friendly

[mikeb1rd]

Removed explicit dependency on ws, to instead use simple-websocket so that the connection works in node and the browser, and is now browserify friendly.

An example can be found here: https://github.com/mikeb1rd/ripple-lib-browser-client

[FredKSchott]

@mikeb1rd ripple-lib already works in the browser, by replacing ws with wswrapper.ts (uses native browser WebSocket) during the browser build step. Is this not working for you?

[mikeb1rd]

@FredKSchott If you use ripple-lib directly that's fine, but I was trying to use an npm module that has a dependency on ripple-lib (such as ilp-plugin-xrp-escrow or ilp-plugin-xrp-asym-client), and pull that into the browser using browserify. I'll have another think and see if using webpack works better.

[FredKSchott]

We might just need to set the “browser” property in the package.json to point to the bundle. See https://github.com/defunctzombie/package-browser-field-spec for info.

[intelliot]

@mikeb1rd See #847 for an alternate solution; hopefully that works with your browserify setup?

Using your above example (ripple-lib-browser-client), I built three versions of bundle.js.
[…]

As of bbfc53e, the solution in #847 is substantially similar to the one you've provided here, the only difference being that we use our pre-existing wswrapper shim.

[intelliot]

To test it out, you can have a look at my fork of your example: intelliot/ripple-lib-browser-client@89ce3e8

Other than using the browser-in-package-json branch of ripple-lib, there are no changes to your code.

[mikeb1rd]

Closed in favour of #847