Switch default country to US, currency to USD, tax to zero

Also default linux_australia to field to false to avoid IntegrityError.

pinaxcon/registrasion/models.py

@@ -135,7 +135,7 @@ class AttendeeProfile(rego.AttendeeProfileBase):
     )
     country = CountryField(
         verbose_name="Country",
-        default="AU",
+        default="US",
     )
     state = models.CharField(
         max_length=256,
@@ -146,8 +146,7 @@ class AttendeeProfile(rego.AttendeeProfileBase):
     of_legal_age = models.BooleanField(
         verbose_name="Are you over 18?",
         help_text="Being under 18 will not stop you from attending the "
-                  "conference. We need to know whether you are over 18 to "
-                  "allow us to cater for you at venues that serve alcohol.",
+                  "conference.",
         blank=True,
     )
     dietary_restrictions = models.CharField(
@@ -185,6 +184,7 @@ class AttendeeProfile(rego.AttendeeProfileBase):
                   "<a href='http://www.linux.org.au/'>Linux Australia</a> "
                   "membership.",
         blank=True,
+        default=False,
     )
 
     lca_announce = models.BooleanField(

pinaxcon/settings.py

@@ -376,8 +376,8 @@ MAIN_CONFERENCE_PROPOSAL_KINDS = ("Talk",)
 # Registrasion bits:
 ATTENDEE_PROFILE_MODEL = "pinaxcon.registrasion.models.AttendeeProfile"
 ATTENDEE_PROFILE_FORM = "pinaxcon.registrasion.forms.ProfileForm"
-INVOICE_CURRENCY = "AUD"
-GST_RATE =  Decimal('0.1')
+INVOICE_CURRENCY = "USD"
+GST_RATE =  Decimal('0')
 TICKET_PRODUCT_CATEGORY = 1
 TERMS_PRODUCT_CATEGORY = 2
 ATTENDEE_PROFILE_FORM = "pinaxcon.registrasion.forms.ProfileForm"