[skip ci] Clarify UI readme

Update submodule, remove common

Updating to the latest commit of the Full node submodule

Get version from package.json

Part 2 of Moving Breeze projects to the full node

Replaced the Breeze.Api, Breeze.Api.Tests and the Breeze.Wallet projects to Stratis.Bitcoin.Api, Stratis.Bitcoin.Api.Tests and Stratis.bitcoin.Features.LightWallet projects.
Also moved all the submodule projects to an External folder

Removed files that were left behind when I removed the Breeze.TumbleBit.Client and the NTumbleBit projects from the solution

escape slash in logo.ico windows path

Added instructions for installing Nodejs/npm

Fix @angular/cli install instruction

missing syntax in command line

Added npm clean command and commentary for npm/node install/update

Final touch-up on installation/update instructions for Nodejs/npm Install

Installing npm packages in global context (-g flag) requires root privileges, as install directory is in /usr/lib/node_modules/[module_name]

Added/cleaned up instructions for nodejs/npm installation/update

Provide instructions for installation / update to latest version of Nodejs/npm on Ubuntu / Debian systems.

Added missing `run` to command line for starting build of `npm run start:webpack`. Also changed text formatting to code for easier reading

Breeze update namespaces

Removed TumbleBit from Breeze as it will be used as an add on

Removed the api.nuget.org host as the issue has been resolved

Fix OS X build