replace awesome_nested_set with closure_tree
Merge pull request #65 from marketboomer/ratjens

replace awesome_nested_set with closure_tree
Merge branch 'master' of https://github.com/marketboomer/nunchaku into current
Merge branch 'refs/heads/master' into ratjens
Merge branch 'refs/heads/current' into ratjens
be able to derive an engine path from a resource; use in breadcrumbs
be able to derive an engine path from a resource; use in breadcrumbs
Merge branch 'ratjens' of github.com:marketboomer/nunchaku into ratjens

Conflicts:
	app/helpers/nunchaku/application_helper.rb
Merge pull request #67 from marketboomer/ratjens

be able to derive an engine path from a resource; use in breadcrumbs
Bunch of stuff to make PDF reports work, including totals in table footer and some styling.
Turn off links in table headers for pdf reports.
Requested tweaks.
Merge pull request #68 from marketboomer/richard

Bunch of stuff to make PDF reports work reasonably well