one ConfigFile for all

killed the tinyxml warnings

src/gui/qt/log/log.cpp

@@ -27,11 +27,10 @@
 
 using namespace std;
 
-Log::Log(mainWindowImpl* w) : myW(w)
+Log::Log(mainWindowImpl* w, ConfigFile *c) : myW(w), myConfig(c)
 {
 	myW->setLog(this);
 
-	myConfig = new ConfigFile;
 	if(myConfig->readConfigString("LogDir") != "" && QDir::QDir(QString::fromUtf8(myConfig->readConfigString("LogDir").c_str())).exists()) { 
 
 		myLogDir = new QDir(QString::fromUtf8(myConfig->readConfigString("LogDir").c_str()));

src/gui/qt/log/log.h

@@ -33,7 +33,7 @@ class mainWindowImpl;
 
 class Log{
 public:
-    Log(mainWindowImpl*);
+    Log(mainWindowImpl*, ConfigFile *c);
 
     ~Log();