ignore features dir by default
Fix filename regexps

The regexp wasn't handling extension, they were
just looking for patterns like "haml" or "erb".
It's problem when file have "haml" in the name,
like a "haml.rb" initializer.
Version bump to 0.3.22
Regenerated gemspec for version 0.3.22
finder should be find, all, first and last for keep_finders_on_their_own_model_checker
puts http://rails-bestpractices.com for users
Version bump to 0.3.23
Regenerated gemspec for version 0.3.23
change homepage
check the has_one association for law of demeter checker
Version bump to 0.3.24
Regenerated gemspec for version 0.3.24
no necessary duplicate check the migration files now
update project summary
Version bump to 0.3.25
Regenerated gemspec for version 0.3.25
also check unless node for move code into model check
update summary
Version bump to 0.3.26
Regenerated gemspec for version 0.3.26