various fixes

o fixed some broken documentaiton
o skip geo index tests on old revs of mongod
o pull a new version of libbson

Author: hanumantmk

doc/mongoc_collection_get_index_info.page

@@ -42,7 +42,4 @@ mongoc_database_get_collection_info (mongoc_collection_t *collection,
     <code>NULL</code> will be returned in the case of a network error.</p>
   </section>
 
-</code></screen>
-</section>
-
 </page>

doc/mongoc_database_get_collection_info.page

@@ -43,7 +43,4 @@ mongoc_database_get_collection_info (mongoc_database_t *database,
     server's representation of a collection in this database. A value of <code>NULL</code> will be returned on a network error.</p>
   </section>
 
-</code></screen>
-</section>
-
 </page>

src/libbson

@@ -607,11 +607,13 @@ test_index_geo (void)
    geo_opt.twod_bits_precision = 30;
    opt.geo_options = &geo_opt;
 
-   r = mongoc_collection_create_index(collection, &keys, &opt, &error);
-   ASSERT (r);
+   if (client->cluster.nodes [0].max_wire_version > 0) {
+      r = mongoc_collection_create_index(collection, &keys, &opt, &error);
+         ASSERT (r);
 
-   r = mongoc_collection_drop_index(collection, "location_2d", &error);
-   ASSERT (r);
+      r = mongoc_collection_drop_index(collection, "location_2d", &error);
+      ASSERT (r);
+   }
 
    /* Create a Haystack index */
    bson_init(&keys);
@@ -622,11 +624,13 @@ test_index_geo (void)
    geo_opt.haystack_bucket_size = 5;
    opt.geo_options = &geo_opt;
 
-   r = mongoc_collection_create_index(collection, &keys, &opt, &error);
-   ASSERT (r);
+   if (client->cluster.nodes [0].max_wire_version > 0) {
+      r = mongoc_collection_create_index(collection, &keys, &opt, &error);
+      ASSERT (r);
 
-   r = mongoc_collection_drop_index(collection, "location_geoHaystack_category_1", &error);
-   ASSERT (r);
+      r = mongoc_collection_drop_index(collection, "location_geoHaystack_category_1", &error);
+      ASSERT (r);
+   }
 
    mongoc_collection_destroy(collection);
    mongoc_database_destroy(database);