Introduce system app

Implementation as per spec

Update DIAL version

server/system_callbacks.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2018 Netflix, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETFLIX, INC. AND CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NETFLIX OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SYSTEM_CALLBACKS_H_
+#define SYSTEM_CALLBACKS_H_
+
+#include "dial_server.h"
+
+DIALStatus system_start(DIALServer *ds, const char *appname,
+                            const char *payload, const char* query_string,
+                            const char *additionalDataUrl,
+                            DIAL_run_t *run_id, void *callback_data);
+
+
+DIALStatus system_hide(DIALServer *ds, const char *app_name,
+                       DIAL_run_t *run_id, void *callback_data);
+
+DIALStatus system_status(DIALServer *ds, const char *appname,
+                         DIAL_run_t run_id, int* pCanStop, void *callback_data);
+
+
+
+
+
+
+#endif /* SYSTEM_CALLBACKS_H_ */