ignore log files

.gitignore

@@ -45,3 +45,4 @@ xtend-gen/
 /SemanticAdaptationForFMI/Experiments/power_window_case_study/lib/*.libs
 /SemanticAdaptationForFMI/Experiments/power_window_case_study/fmus/FMI_Window_sa/log.txt
 /SemanticAdaptationForFMI/Experiments/power_window_case_study/fmus/FMI_power_sa/log.txt
+/SemanticAdaptationForFMI/Experiments/power_window_case_study/fmus/FMI_loop_sa/log.txt