add a custom django command import_v1_data

this is only a draft, still with much hardcoded ugliness...

ippisite/ippidb/management/commands/import_v1_data.py

+from django.core.management import BaseCommand
+import mysql.connector
+from ippidb.models import Bibliography
+
+class Command(BaseCommand):
+    help = "Import data from the local v1 database"
+
+    def handle(self, *args, **options):
+        conn = mysql.connector.connect(host="localhost",user="root",password="ippidb", database="ippidb")
+        cursor = conn.cursor()
+        cursor.execute("""SELECT * FROM biblio""")
+        rows = cursor.fetchall()
+        Bibliography.objects.all().delete()
+        self.stdout.write(self.style.SUCCESS('Successfully flushed bibliography table'))
+        for row in rows:
+            try:
+                b = Bibliography()
+                b.source = 'PM'
+                b.id_source = row[2]
+                b.save()
+            except Exception as e:
+                self.stdout.write(self.style.ERROR('Failed inserting {}'.format(row[2])))
+            else:
+                self.stdout.write(self.style.SUCCESS('Successfully inserted {}'.format(row[2])))