port the .policy file parser and implement EnumerateActions

port the .policy file parser and implement EnumerateActions

Also added Danish translations to test that translations work

$ dbus-send --system --print-reply --dest=org.freedesktop.PolicyKit1 /org/freedesktop/PolicyKit1/Authority org.freedesktop.PolicyKit1.Authority.EnumerateActions string:da
method return sender=:1.4481 -> dest=:1.4483 reply_serial=2
   array [
      struct {
         string "org.freedesktop.policykit.modify-defaults"
         string "Konfigurer implicit autorisering"
         string "Autentificering er påkrævet for ændre implicit autorisering"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
         ]
      }
      struct {
         string "org.freedesktop.policykit.read"
         string "Læs andre brugers autoriseringer"
         string "Autentificering er påkrævet for at læse andre brugers autoriseringer"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
            dict entry(
               string "org.freedesktop.PolicyKit.run-as-superuser.path"
               string "/usr/bin/BlahBlaster"
            )
         ]
      }
      struct {
         string "org.freedesktop.policykit.grant"
         string "Autoriser en anden bruger"
         string "Autentificering er påkrævet for at autorisere andre brugere"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
         ]
      }
      struct {
         string "org.freedesktop.policykit.revoke"
         string "Fjern autorisering fra en anden bruger"
         string "Autentificering er påkrævet for at fjerne en autosering fra en anden bruger"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
         ]
      }
   ]

$ dbus-send --system --print-reply --dest=org.freedesktop.PolicyKit1 /org/freedesktop/PolicyKit1/Authority org.freedesktop.PolicyKit1.Authority.EnumerateActions string:
method return sender=:1.4481 -> dest=:1.4484 reply_serial=2
   array [
      struct {
         string "org.freedesktop.policykit.modify-defaults"
         string "Modify defaults for implicit authorizations"
         string "Authentication is required to modify the defaults for implicit authorizations"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
         ]
      }
      struct {
         string "org.freedesktop.policykit.read"
         string "Read authorizations of other users"
         string "Authentication is required to read authorizations of other users"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
            dict entry(
               string "org.freedesktop.PolicyKit.run-as-superuser.path"
               string "/usr/bin/BlahBlaster"
            )
         ]
      }
      struct {
         string "org.freedesktop.policykit.grant"
         string "Grant authorizations to other users"
         string "Authentication is required to grant authorizations to other users"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
         ]
      }
      struct {
         string "org.freedesktop.policykit.revoke"
         string "Revoke authorizations from other users"
         string "Authentication is required to revoke authorizations other users"
         string "The PolicyKit Project"
         string "http://hal.freedesktop.org/docs/PolicyKit/"
         string ""
         array [
         ]
      }
   ]