CLOUD: Add SimpleJSON library as Common::JSON

This commit also adds CloudThread class, which work() method is called
every second by TimerManager.

Right now it prints JSON examples on the console, so that's why it's
introduced with SimpleJSON library.

base/main.cpp

@@ -66,6 +66,7 @@
 #endif
 
 #include "backends/keymapper/keymapper.h"
+#include "backends/cloud/cloudthread.h"
 
 #if defined(_WIN32_WCE)
 #include "backends/platform/wince/CELauncherDialog.h"
@@ -475,6 +476,11 @@ extern "C" int scummvm_main(int argc, const char * const argv[]) {
 		dlg.runModal();
 	}
 #endif
+	
+	CloudThread thread;
+	Common::TimerManager *manager = system.getTimerManager();
+	if (!manager->installTimerProc(cloudThread, 1000000, &thread, "Cloud Thread"))
+		warning("Failed to create cloud thread");
 
 	// Unless a game was specified, show the launcher dialog
 	if (0 == ConfMan.getActiveDomain())