Readlink (#117)

* gotthard config file path using readlink

* gotthard2

* eiger

* eieger, mnythen3, moench

* binaries in

* moved readlink to a common function

* binaries in

slsDetectorServers/slsDetectorServer/include/common.h

@@ -1,5 +1,8 @@
 #pragma once
 
+#include <stdio.h>
+
+
 /**
  * Convert a value from a range to a different range (eg voltage to dac or vice
  * versa)
@@ -13,3 +16,7 @@
  */
 int ConvertToDifferentRange(int inputMin, int inputMax, int outputMin,
                             int outputMax, int inputValue, int *outputValue);
+
+
+
+int getAbsPath(char* buf, size_t bufSize, char* fname);