Places / removed duplicated code.
Places / updated documentation about places search.

Explains the search by identifiers.
Places / fixed doc "retur" instead of "return".
Places / search by exact types (TRELLO#149).
Places / exposes the size of the result set in the base representation (TRELLO#151).
Places / display alternative names for a POI (TRELLO#150).
Places / OxPoints importer: import altLabel and hiddenLabel for better search (TRELLO#150).
Places / fixed bug where parameters "type" and "type_exact" were not passed to the representation (used for links).
Places / fixed bug were parameter type_exact was not passed if the query was done using the suggestion from the search server.