L4Sys: EIP deviation tracking

* after injecting a fault, track how many instructions it takes until
  execution deviates from original execution
* also track what the first deviating EIP value is

Change-Id: I18a9250517ca90214728c2c4b036b412f5dbf224

src/experiments/l4-sys/experiment.hpp

@@ -137,6 +137,8 @@ private:
 	 */
 	void getJobParameters();
 
+	fail::BaseListener* afterInjection(L4SysProtoMsg_Result* res);
+
 	/**
 	 * Read the golden run output into the target string.
 	 */