:ruby
  index             = @review_list.index(@snapshot)
  previous_snapshot = @review_list[index - 1] if index > 0
  next_snapshot     = @review_list[index + 1]

%ul.pager
  %li.previous{ class: ('disabled' unless previous_snapshot) }
    :ruby
      href = if previous_snapshot
               snapshot_path(previous_snapshot)
             else
               'javascript:return false;'
             end
    = link_to href, data: { keyboard_shortcut: '[' } do
      %i.glyphicon.glyphicon-chevron-left
      Previous in sweep

  %li.next{ class: ('disabled' unless next_snapshot) }
    :ruby
      href = if next_snapshot
               snapshot_path(next_snapshot)
             else
               'javascript:return false;'
             end
    = link_to href, data: { keyboard_shortcut: ']' } do
      Next in sweep
      %i.glyphicon.glyphicon-chevron-right

:ruby
  index             = @review_list.index(@snapshot)
  previous_snapshot = @review_list[index - 1] if index > 0
  next_snapshot     = @review_list[index + 1]

%ul.pager
  %li.previous{ class: ('disabled' unless previous_snapshot) }
    :ruby
      href = if previous_snapshot
               snapshot_path(previous_snapshot)
             else
               'javascript:return false;'
             end
    = link_to href, data: { keyboard_shortcut: '[' } do
      %i.glyphicon.glyphicon-arrow-left
      Previous in sweep

  %li.next{ class: ('disabled' unless next_snapshot) }
    :ruby
      href = if next_snapshot
               snapshot_path(next_snapshot)
             else
               'javascript:return false;'
             end
    = link_to href, data: { keyboard_shortcut: ']' } do
      Next in sweep
      %i.glyphicon.glyphicon-arrow-right

Use arrows instead of chevrons for sweep nav
Use arrows instead of chevrons for sweep nav

I think the arrow icons communicate more clearly the functionality here.

Change-Id: I050a3d0fc28a83071228b070896e78da7716a82c
