bump version to v2.8.4

Author: joolswills

es-app/src/EmulationStation.h

@@ -6,12 +6,12 @@
 // Do this version number update as the very last commit for the new release version.
 #define PROGRAM_VERSION_MAJOR       2
 #define PROGRAM_VERSION_MINOR        8
-#define PROGRAM_VERSION_MAINTENANCE  3
-#define PROGRAM_VERSION_STRING "2.8.3rp"
+#define PROGRAM_VERSION_MAINTENANCE  4
+#define PROGRAM_VERSION_STRING "2.8.4rp"
 
 #define PROGRAM_BUILT_STRING __DATE__ " - " __TIME__
 
-#define RESOURCE_VERSION_STRING "2,8,3\0"
+#define RESOURCE_VERSION_STRING "2,8,4\0"
 #define RESOURCE_VERSION PROGRAM_VERSION_MAJOR,PROGRAM_VERSION_MINOR,PROGRAM_VERSION_MAINTENANCE
 
 #endif // ES_APP_EMULATION_STATION_H