Rebase private OTA libs on 2.7

libs/ota-http-client/include/mgos_ota_http_client.h

@@ -1,8 +1,18 @@
 /*
- * Copyright (c) 2014-2016 Cesanta Software Limited
+ * Copyright (c) 2014-2018 Cesanta Software Limited
  * All rights reserved
  *
- * An updater implementation that fetches FW from the given URL.
+ * Licensed under the Apache License, Version 2.0 (the ""License"");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an ""AS IS"" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 #ifndef CS_MOS_LIBS_OTA_HTTP_CLIENT_SRC_MGOS_OTA_HTTP_CLIENT_H_
@@ -16,13 +26,9 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#if MGOS_ENABLE_UPDATER
-bool mgos_ota_http_client_init(void);
-
+/* Start OTA update by pulling the firmware from the given URL. */
 void mgos_ota_http_start(struct update_context *ctx, const char *url);
 
-#endif
-
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */