chore(gen): use svg badges in README.md

[kingcody]

No description provided.

[kingcody]

Should I add the dev-dependencies badge for the generator to this PR?

[kingcody]

Added the dev-dependencies badge and moved the gitter badge to the next line. You can view the changes here.

[Awk34]

Might as well put all the badges on new lines; makes everything more readable.

[kingcody]

Hmm, well it seems for markdown there has to be a blank line between images for them to not be inline, which adds a lot of whitespace: https://github.com/DaftMonk/generator-angular-fullstack/blob/f435c4fb5526a6fb2eeba379b511871f189e2f76/readme.md

[Awk34]

Yeah I just meant like this:

[![Build Status](https://travis-ci.org/DaftMonk/generator-angular-fullstack.svg?branch=master)](http://travis-ci.org/DaftMonk/generator-angular-fullstack)
[![npm version](https://badge.fury.io/js/generator-angular-fullstack.svg)](http://badge.fury.io/js/generator-angular-fullstack)
[![Dependency Status](https://david-dm.org/daftmonk/generator-angular-fullstack.svg)](https://david-dm.org/daftmonk/generator-angular-fullstack) [![Dev-Dependency Status](https://david-dm.org/daftmonk/generator-angular-fullstack/dev-status.svg)](https://david-dm.org/daftmonk/generator-angular-fullstack#info=devDependencies)
[![Gitter chat](https://badges.gitter.im/DaftMonk/generator-angular-fullstack.svg)](https://gitter.im/DaftMonk/generator-angular-fullstack)

[kingcody]

Yeah, that makes sense.

[kingcody]

https://github.com/DaftMonk/generator-angular-fullstack/blob/chore/svg-badges/readme.md