Added a basic Amanda configuration

Created a new backup virtual machine server called "backups" with a
simple configuration using the Getting Started with Amanda tutorial.
README also updated to reflect new workflow.

code/environments/production/modules/amanda/manifests/init.pp

@@ -0,0 +1,51 @@
+class amanda {
+
+  # Install Amanda
+  package { ['amanda-server','amanda-client','amanda-common']:
+    ensure => present
+  }
+
+  # Enable "backup" user account
+  user { 'backup':
+    ensure => present,
+    shell  => "/bin/bash"
+  }
+
+  # Create important Amanda directories
+  file { ['/etc/amanda','/etc/amanda/MyConfig','/amanda',
+          '/amanda/vtapes','/amanda/holding','/amanda/state']:
+    ensure => directory,
+    owner  => "backup"
+  }
+
+  # Create vtape directories
+  file { ['/amanda/vtapes/slot1','/amanda/vtapes/slot2',
+          '/amanda/vtapes/slot3','/amanda/vtapes/slot4']:
+    ensure => directory,
+    owner  => "backup"
+  }
+
+  # State directories
+  file { ['/amanda/state/curinfo',
+          '/amanda/state/log',
+          '/amanda/state/index']:
+    ensure => directory,
+    owner  => "backup"
+  }
+
+  # Backup config
+  file { '/etc/amanda/MyConfig/amanda.conf':
+    ensure  => file,
+    content => template('amanda/amanda.conf.epp'),
+    owner   => "backup"
+  }
+
+  # Backup locations
+  file { '/etc/amanda/MyConfig/disklist':
+    ensure  => file,
+    content => template('amanda/disklist.epp'),
+    owner   => "backup"
+  }
+
+}
+