Added missing type to ObjectMapper::readValue

Author: dewos

src/main/java/com/mashape/unirest/http/HttpResponse.java

@@ -97,7 +97,7 @@ public HttpResponse(org.apache.http.HttpResponse response, Class<T> responseClas
 				} else if (InputStream.class.equals(responseClass)) {
 					this.body = (T) this.rawBody;
 				} else if (objectMapper != null) {
-					this.body = (T) objectMapper.readValue(new String(rawBody, charset));
+					this.body = objectMapper.readValue(new String(rawBody, charset), responseClass);
 				} else {
 					throw new Exception("Only String, JsonNode and InputStream are supported, or an ObjectMapper implementation is required.");
 				}

src/main/java/com/mashape/unirest/http/ObjectMapper.java

@@ -2,7 +2,7 @@
 
 public interface ObjectMapper {
 
-    Object readValue(String value);
+    <T> T readValue(String value, Class<T> valueType);
 
     String writeValue(Object value);
 }