changed directory path for the labcontrol configuration file from upper case to lower case

src/main.cpp

@@ -36,7 +36,7 @@ int main(int argc, char *argv[]) {
 
   unsigned long i = 0;
     // hard coded, you can edit here, if you prefer a different location for your config file:
-  std::vector<std::string> filenames = {"/usr/local/etc/Labcontrol/labcontrol.json", "/etc/Labcontrol/labcontrol.json", "./labcontrol.json", "/usr/local/etc/Labcontrol/Labcontrol.json", "/etc/Labcontrol/Labcontrol.json", "./Labcontrol.json"};
+  std::vector<std::string> filenames = {"/usr/local/etc/labcontrol/labcontrol.json", "/etc/labcontrol/labcontrol.json", "./labcontrol.json", "/usr/local/etc/Labcontrol/Labcontrol.json", "/etc/Labcontrol/Labcontrol.json", "./Labcontrol.json"};
   for (i; i < filenames.size(); i++) { // if a configuration file was found, the loop breaks
     std::ifstream f(filenames[i].c_str());
     pt::ptree root;