Adds default quotes to seeds file

Adds three very important inspiration quotes from the sci fi cannon
of inspirational quotes to the seeds file.
adds additional file-upload handling gems
creates scaffold for carousel_item
adds fields and scope to allow an admin to hide CarouselItems from the home page
adds cancan protection to carouselitems
adds cancan auth to carousel_items controller
adds admin nav to application layout
WIP getting uploader to work with AMZ
activates users in seeds
ignores local uploads
spacing
Updates carrierwave model to use :fog for prod and :file for dev

To make it easier for others to work on the code requiring uploading
of images, we're using local storage for dev environments and AWS
for production
ensures that user website, if present, is led by an http protocol
adds url validation to carousel links
removes accidentally uploaded temp images
removing more accidental uploads
adds ascending order to scope of active carousel_items
shows carousel items on home page
return an empty array instead of nil if no carousel items are found for the home page
Merge branch 'master' of https://github.com/feastongood/connects into home_page_carousel

Conflicts:
	.gitignore
	app/models/ability.rb
	config/routes.rb
	db/schema.rb