Added multiple context separators '::' and cleaned up more cruft

[oncall::us::ny]
tier1.support=J Smith, J Doe
tier1.contact=212-555-1212,212-555-1213
tier2.support=P Rabbit
tier2.contact=212-555-1214
address.street=1 Wall St
address.city=New York
address.state=New York
address.zip=10006

[disk::quotas]
var=20G
usr=40G
home=100G

$VAR1 = {
          'disk' => {
                      'quotas' => {
                                    'var' => '20G',
                                    'home' => '100G',
                                    'usr' => '40G'
                                  }
                    },
          'oncall' => {
                        'us' => {
                                  'ny' => {
                                            'address' => {
                                                           'zip' => '10006',
                                                           'city' => 'New York',
                                                           'street' => '1 Wall St',
                                                           'state' => 'New York'
                                                         },
                                            'tier2' => {
                                                         'support' => 'P Rabbit',
                                                         'contact' => '212-555-1214'
                                                       },
                                            'tier1' => {
                                                         'support' => [
                                                                        'J Smith',
                                                                        'J Doe'
                                                                      ],
                                                         'contact' => [
                                                                        '212-555-1212',
                                                                        '212-555-1213'
                                                                      ]
                                                       }
                                          }
                                }
                      }
        };