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	diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
	index 16438f8..03a5d23 100644
	--- a/app/helpers/application_helper.rb
	+++ b/app/helpers/application_helper.rb
	@@ -1,35 +1,59 @@
	module ApplicationHelper
	+ TIME_PERIODS = {
	+ 1.second => 'second',
	+ 1.minute => 'minute',
	+ 1.hour => 'hour',
	+ 1.day => 'day',
	+ 1.week => 'week',
	+ 1.month => 'month',
	+ 1.year => 'year',
	+ }
	+
	def can_edit?(object)
	return true if admin?
	return true unless object.respond_to?(:editable?)

	object.editable?
	end

	+ def seconds_to_human(seconds)
	+ acc = {}
	+ remaining = seconds
	+ TIME_PERIODS.to_a.reverse_each do \|p, human\|
	+ period_count, remaining = remaining.divmod(p)
	+ acc[human] = period_count if not period_count.zero?
	+ end
	+
	+ acc.map { \|singular, count\|
	+ human = count < 2 ? singular : "#{singular}s"
	+ "#{count} #{human}"
	+ }.join(', ')
	+ end
	+
	def link_to_edit(*args, &block)
	link_to(abbr_glyph(:pencil, 'Edit'), *args, &block)
	end

	def link_to_destroy(*args, &block)
	link_to(abbr_glyph(:remove, 'Remove'), *args, &block)
	end

	def link_to_enable(*args, &block)
	link_to(abbr_glyph(:'eye-close', 'Enable'), *args, &block)
	end

	def link_to_disable(*args, &block)
	link_to(abbr_glyph(:'eye-open', 'Disable'), *args, &block)
	end

	def glyph(icon)
	content_tag(:span, '', class: "glyphicon glyphicon-#{icon}")
	end

	private

	def abbr_glyph(icon, title)
	content_tag(:abbr, glyph(icon), title: title)
	end

	end