Changed some signal and slot names to better conform to current standard names.
Made GetNode and GetChild functions in KTParameterStore and KTPStoreNode return KTPStoreNode objects instead of pointers to avoid memory leaks.
Merge branch 'refs/heads/Maintenance' into WFAnalysis
Fixed memory leak in KTGainVariationProcessor, and minor change to KTPStoreNode.
Merge branch 'refs/heads/Maintenance' into WFAnalysis
Fixed some bugs where loggers were used without referring to existing loggers.
Fixed bug in KTWignerVille: data object that's repeatedly used for different slices was not cleared before each slice.
Switched an error message to a warning in KTParameterStore.