Separate marker id from provider code
Loading the complete data on a new DB gives:

```
static/data/lms/Accidents Type 3/H20121161: (DataError) integer out of range
```

@eladkarakuli 

<!---
@huboard:{"order":1.0017524436116219,"milestone_order":279,"custom_state":""}
-->

diff --git a/models.py b/models.py
index ba4aadbb..dd0648f2 100755
--- a/models.py
+++ b/models.py
@@ -126,17 +126,15 @@ class Marker(MarkerMixin, Base): # TODO rename to AccidentMarker
         'polymorphic_identity': MARKER_TYPE_ACCIDENT
     }
 
+    provider_code = Column(Integer)
     description = Column(Text)
     subtype = Column(Integer)
     severity = Column(Integer)
     address = Column(Text)
     locationAccuracy = Column(Integer)
     roadType = Column(Integer)
-    # accidentType
     roadShape = Column(Integer)
-    # severityText
     dayType = Column(Integer)
-    # igun
     unit = Column(Integer)
     mainStreet = Column(Text)
     secondaryStreet = Column(Text)
@@ -166,6 +164,7 @@ class Marker(MarkerMixin, Base): # TODO rename to AccidentMarker
     def serialize(self, is_thin=False):
         fields = {
             "id": str(self.id),
+            "provider_code": self.provider_code,
             "latitude": self.latitude,
             "longitude": self.longitude,
             "severity": self.severity,
@@ -180,11 +179,8 @@ class Marker(MarkerMixin, Base): # TODO rename to AccidentMarker
                 "type": self.type,
                 "subtype": self.subtype,
                 "roadType": self.roadType,
-                # "accidentType"
                 "roadShape": self.roadShape,
-                # "severityText"
                 "dayType": self.dayType,
-                # "igun"
                 "unit": self.unit,
                 "mainStreet": self.mainStreet,
                 "secondaryStreet": self.secondaryStreet,
@@ -324,6 +320,7 @@ class DiscussionMarker(MarkerMixin, Base):
 class Involved(Base):
     __tablename__ = "involved"
     id = Column(Integer, primary_key=True)
+    provider_code = Column(Integer)
     accident_id = Column(Integer, ForeignKey("markers.id"))
     involved_type = Column(Integer)
     license_acquiring_date = Column(Integer)
@@ -350,6 +347,7 @@ class Involved(Base):
     def serialize(self):
         return {
             "id": self.id,
+            "provider_code": self.provider_code,
             "accident_id": self.accident_id,
             "involved_type": self.involved_type,
             "license_acquiring_date": self.license_acquiring_date,
@@ -391,6 +389,7 @@ class Involved(Base):
 class Vehicle(Base):
     __tablename__ = "vehicles"
     id = Column(Integer, primary_key=True)
+    provider_code = Column(Integer)
     accident_id = Column(Integer, ForeignKey("markers.id"))
     engine_volume = Column(Integer)
     manufacturing_year = Column(Integer)
@@ -404,6 +403,7 @@ class Vehicle(Base):
     def serialize(self):
         return {
             "id": self.id,
+            "provider_code": self.provider_code,
             "accident_id": self.accident_id,
             "engine_volume": self.engine_volume,
             "manufacturing_year": self.manufacturing_year,
diff --git a/process.py b/process.py
index d57bd743..0b0ff7a1 100755
--- a/process.py
+++ b/process.py
@@ -218,16 +218,17 @@ def import_accidents(provider_code, accidents, streets, roads, involved, vehicle
             acc_years.append(accident[field_names.accident_year])
 
         marker = {
-            "id":int("{0}{1}".format(provider_code, accident[field_names.id])),
-            "title":"Accident",
-            "description":json.dumps(load_extra_data(accident, streets, roads), encoding=models.db_encoding),
-            "address":get_address(accident, streets),
-            "latitude":lat,
-            "longitude":lng,
-            "subtype":int(accident[field_names.accident_type]),
-            "severity":int(accident[field_names.accident_severity]),
-            "created":parse_date(accident),
-            "locationAccuracy":int(accident[field_names.igun]),
+            "id": int(accident[field_names.id]),
+            "provider_code": int(provider_code),
+            "title": "Accident",
+            "description": json.dumps(load_extra_data(accident, streets, roads), encoding=models.db_encoding),
+            "address": get_address(accident, streets),
+            "latitude": lat,
+            "longitude": lng,
+            "subtype": int(accident[field_names.accident_type]),
+            "severity": int(accident[field_names.accident_severity]),
+            "created": parse_date(accident),
+            "locationAccuracy": int(accident[field_names.igun]),
             "roadType": int(accident[field_names.road_type]),
             "roadShape": int(accident[field_names.road_shape]),
             "dayType": int(accident[field_names.day_type]),
@@ -260,7 +261,8 @@ def import_involved(provider_code, accidents, streets, roads, involved, vehicles
     print("reading involved data from file %s" % (involved.name(),))
     for involve in involved:
         involved_item = {
-            "accident_id": int("{0}{1}".format(provider_code, involve[field_names.id])),
+            "accident_id": int(involve[field_names.id]),
+            "provider_code": int(provider_code),
             "involved_type": int(involve[field_names.involved_type]),
             "license_acquiring_date": int(involve[field_names.license_acquiring_date]),
             "age_group": int(involve[field_names.age_group]),
@@ -291,7 +293,8 @@ def import_vehicles(provider_code, accidents, streets, roads, involved, vehicles
     print("reading involved data from file %s" % (vehicles.name(),))
     for vehicle in vehicles:
         vehicle_item = {
-            "accident_id": int("{0}{1}".format(provider_code, vehicle[field_names.id])),
+            "accident_id": int(vehicle[field_names.id]),
+            "provider_code": int(provider_code),
             "engine_volume": int(vehicle[field_names.engine_volume]),
             "manufacturing_year": get_data_value(vehicle[field_names.manufacturing_year]),
             "driving_directions": get_data_value(vehicle[field_names.driving_directions]),
['models.py', 'process.py']