allow an api doco show page to diusplay a tree structure of the json version of the active record
add a type key_value pair to JSON formatter output
add tooltip support for JSON documentation
Merge pull request #116 from marketboomer/ratjens

allow an api doco show page to display a tree structure of the json version of the active record
tree-table class to table template for tree table
Merge branch 'current' of https://github.com/marketboomer/nunchaku into current-john