Increase version to 5.0.13. Update ReadMe and format version history
#define OS_MAJOR_VERSION 5 /**< @brief Major version number */
#define OS_MINOR_VERSION 0 /**< @brief Minor version number */
-#define OS_REVISION 12 /**< @brief Revision number */
+#define OS_REVISION 13 /**< @brief Revision number */
#define OS_MISSION_REV 0 /**< @brief Mission revision */
/**
