Created Basic layout for resources index page

Applied pure css styling to new resource form
Changed resources index page to use pure grid system

Added new link to nav bar, currently displays on any resource page
Created home controller for main index page
Created hover state for resources thumbnails
included copies of pure.css and normalize.css
centered devise and resources forms
removed incorrect model name
finished centering devise views, created global styling for forms
created issues controller, model and migrations with rails generate, manually created a migration to update resources with issue/category/user associations
centered user edit form
created associations for issues, resources and users
updated thumbnails to show user
ran issues migrations resources associations migration, updated routes, controller, and viviews for issues
created categories controller, model and migration with rails generate
Added categories routes
Added category views
updated styling for categories, resources, and issues
Moved sylesheets into appropriate directories within stylesheets dir
added helper to add a class to current nav link
Updated associations between resources/issues and resources/categories to many-to-many
Created links on resources page to all tagged categories and issues
updated home styling, resources styling, added resources to categories pages