message: Make AliTreePlayer::GetMetadata static
diff: @@ -112,7 +112,7 @@ public:
  Int_t maxEntries=100000000);
  static TTree * LoadTrees(const char *inputDataList, const char * chRegExp, const char * chNotReg, TString inputFileSelection, TString axisAlias, TString axisTitle, Int_t verbose=1);
  THashList *AddMetadata(TTree*, const char *vartagName,const char *varTagValue);
  - TNamed *GetMetadata(TTree* tree, const char *vartagName, TString *prefix=0, Bool_t fullMatch=kFALSE);
  + static TNamed *GetMetadata(TTree* tree, const char *vartagName, TString *prefix=0, Bool_t fullMatch=kFALSE);
  /// TODO -
  /// Metadata query from the TStatToolkit (GetMetadata, AddMetadata)
  