Issue #62: Allow for printing entire chef-vault'ed databag
Issue #62: Allow for printing entire chef-vault'ed databag

Made values optional for knife decrypt.  If values isn't specified, it
will print the contents of the data bag formatted per standard knife
output formatters.

chef/chef-vault,dafyddcrosby/chef-vault,rbramwell/chef-vault,rveznaver/chef-vault,Nordstrom/chef-vault,chef/chef-vault,rlisewski/chef-vault,sean-horn/chef-vault,mosed/chef-vault,mindyor/chef-vault