Updates the gems

* removes bootstrap gem
Adds foundation framework as dependency
Adds foundation
Checks samples folder and uses proxy for generating files

Currently not working!
Refactors set up of webgl samples, moves rotating cubes to samples folder

* template is used for all samples using middleman proxy config
* prepared list of sample projects, list page not done yet
Set up basic viewer layout in index page

* adds sections panel and viewer with style sheets
* list of samples is set in Middleman configuration
Prepares samples to load on click

* adds a global function to load a given sample
Adds specific sample layout file which loads sample

* sample can be loaded from left panel and reset with button
Fixes reloading of sample
Merge pull request #10 from justahero/refactor/middleman-samples-folder

Refactor/middleman samples folder