POST /api/add_tip - Add a tip for a city

geoname_id={id} - the GeoName ID of the destination. Use the search method to find a suitable Geoname ID.

title (required) - title of the tip

review (required) - body of the tip review

public (optional, defaults to '1') - if the tip should be public. 1 for yes, 0 for no.

url (optional) - url for the tip

address (optional) - address for the tip

tags (optional) - comma-separated list of tags for the tip

<tips>
  <tip>
    <id>88</id>
    <title>Cheese shops</title>
    <review>I like cheese.</review>
    <url>http://www.ilovecheese.com/</url>
    <address>London somewhere, I forget. There was cheese.</address>
    <status>public</status>
    <rating>1</rating>
    <city>
      <name>London</name>
      <rgb>59ead8</rgb>
      <url>http://localhost:3000/place/gb/london</url>
      <geoname_id>2643743</geoname_id>
    </city>
    <traveller>
      <name>Wallace</name>
      <sha1email>d54584148714d84a2fb1401e5879872fd9edc570</sha1email>
      <icon_id>83ff2c03a3861fe9eb6327475878784</icon_id>
      <nick>cheeseman</nick>
      <url>http://localhost:3000/traveller/cheeseman</url>
    </traveller>
  </tip>
</tips>