ActiveSupport is now require()d when available
ActiveSupport is now require()d when available

--HG--
extra : convert_revision : svn%3A177060d3-6165-4ab0-95eb-642399a075a8/trunk%40134

RubenVerborgh/nanoc,nanoc/nanoc,legallybrown/nanoc,remko/nanoc,hilohiro/nanoc,barraq/nanoc,gjtorikian/nanoc