Core/Debugging: Make abort() less bad on windows by forcing crash log generation

(cherry picked from commit dea7d429ab)

# Conflicts:
#	src/server/bnetserver/Main.cpp

src/common/Debugging/Errors.cpp

@@ -96,4 +96,11 @@ void Abort(char const* file, int line, char const* function)
     exit(1);
 }
 
+void AbortHandler(int sigval)
+{
+    // nothing useful to log here, no way to pass args
+    *((volatile int*)NULL) = 0;
+    exit(1);
+}
+
 } // namespace Trinity