add resemble grunt plugin and add task to the build task

-add resemble plugin for package.json -- using carrot ^0.0.5, I can be in control of this or we can find some other way to constrain
-add connect server target for resemble
-add connect server target and resemble task to build task -- all happens post jshint/gruntconfig, pre - clean and assemble, etc.

***! Important ! Recomendations***
```
rm -rf node_modules
npm cache clean
npm i
```

We are comparing via ImageMagick/GraphicsMagick so that must be globally installed on your machine, recommended via homebrew

http://brewformulas.org/Imagemagick 

or

http://brewformulas.org/Graphicsmagick
@dtothefp just curious why this is necessary