Refactoring

[simeonwillbanks]

• Refactor MyGists::Search by using Active Support to delegate to expose WillPaginate methods on scope
• bundle update
• Upgrade Draper Decorators
  • Use source to reference undecorated model instance
  • Draper no longer requires decorates macro
  • Inherit from Draper::Decorator
  • Remove generated comments within decorators
  • Refactor decorator specs to use source attribute in order to send messages to undelegated model methods
  • Add ApplicationDecorator and PaginationDecorate to globally delegate WillPaginate methods
  • Delegate GistDecorator#profile
  • Delegate ProfileDecorator#user_id for Ability
• Link profile gravatar to users github profile