Add config option to include drop fixes (#313)

* add config option to include drop fixes easier

* amend comment and rename fix directories

* check for 1013 before applying 1013 fixes

src/settings.hpp

@@ -45,6 +45,7 @@ namespace settings {
     extern int MONITORINTERVAL;
     extern bool DISABLEFIRSTUSEFLAG;
     extern bool IZRACESCORECAPPED;
+    extern bool DROPFIXESENABLED;
 
     void init();
 }