housenumber with a '#' prefix

[missinglink]

"housenumber": "#2708",

{
      "type": "Feature",
      "geometry": {
        "type": "Point",
        "coordinates": [
          -73.716908,
          45.513926
        ]
      },
      "properties": {
        "id": "ca/qc/montreal:330808",
        "gid": "openaddresses:address:ca/qc/montreal:330808",
        "layer": "address",
        "source": "openaddresses",
        "source_id": "ca/qc/montreal:330808",
        "name": "#2708 rue Équinoxes",
        "housenumber": "#2708",
        "street": "rue Équinoxes",
        "confidence": 0.74,
        "country": "Canada",
        "country_gid": "whosonfirst:country:85633041",
        "country_a": "CAN",
        "region": "Quebec",
        "region_gid": "whosonfirst:region:136251273",
        "locality": "Montréal",
        "locality_gid": "whosonfirst:locality:101736545",
        "neighbourhood": "Saint-Laurent",
        "neighbourhood_gid": "whosonfirst:neighbourhood:85895749",
        "label": "#2708 rue Équinoxes, Montréal, Quebec, Canada"
      }
    },

another one:

        "id": "ca/qc/montreal:331017",
        "gid": "openaddresses:address:ca/qc/montreal:331017",
        "housenumber": "#2855",

[trescube]

They should be sanitized away in our import process.

[orangejulius]

Still happening:

/v1/search?text=2708 rue Équinoxes, Montréal, Quebec, Canada

"features": [
    {
      "type": "Feature",
      "geometry": {
        "type": "Point",
        "coordinates": [
          -73.716908,
          45.513926
        ]
      },
      "properties": {
        "id": "ca/qc/montreal:365bc9b685b8aafd",
        "gid": "openaddresses:address:ca/qc/montreal:365bc9b685b8aafd",
        "layer": "address",
        "source": "openaddresses",
        "source_id": "ca/qc/montreal:365bc9b685b8aafd",
        "name": "#2708 Rue Équinoxes",
        "housenumber": "#2708",
        "street": "Rue Équinoxes",
        "confidence": 1,
        "match_type": "exact",
        "accuracy": "point",
        "country": "Canada",
        "country_gid": "whosonfirst:country:85633041",
        "country_a": "CAN",
        "region": "Quebec",
        "region_gid": "whosonfirst:region:136251273",
        "region_a": "QC",
        "locality": "Montreal",
        "locality_gid": "whosonfirst:locality:101736545",
        "borough": "Saint-Laurent",
        "borough_gid": "whosonfirst:borough:1108955739",
        "neighbourhood": "Bois-Francs",
        "neighbourhood_gid": "whosonfirst:neighbourhood:1108959341",
        "continent": "North America",
        "continent_gid": "whosonfirst:continent:102191575",
        "label": "#2708 Rue Équinoxes, Montreal, QC, Canada"
      }
    }
  ],