Added Object#presence that returns the object if it's #present? otherwise returns nil [DHH/Colin Kelley]

Added default .gitignore (this is just recognizing Git market share, don't throw a hissy if you use another SCM) [DHH]

Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

Added shorthand for match 'products/overview' that expands to match 'products/overview', :to => 'products#overview', :as => 'products_overview'

Remove ActiveRecord runtime logging from ActionPack and place in ActiveRecord, adding it through config.action_controller.include hook.