changed: get rid of CStdString in VideoDatabaseDirectory+nodes
changed: get rid of CStdString in VirtualDirectory
changed: get rid of CStdString in ZeroconfBrowser+implementations
changed: get rid of CStdString in ZeroConfDirectory
changed: get rid of CStdString in ZipManager
changed: get rid of CStdString in ZipDirectory
changed: get rid of CStdString in ZipFile
changed: get rid of CStdString in AddonsCallbacksGUI
changed: get rid of CStdString overload of CUtil::CreateArchivePath
changed: get rid of CStdString in AddonVersion
changed: get rid of CStdString in AddonInstaller
changed: get rid of CStdString in AddonManager
changed: get rid of CStdString in GUIDialogNumeric
changed: get rid of CStdString in GUIDialogNetworkSetup

one usage left, will be removed in an upcoming commit
changed: get rid of CStdString in GUIDialogFileBrowser
changed: get rid of CStdString in StringUtils::WordToDigits
changed: get rid of CStdString in GUIMediaWindow

also changes overridden functions in its children
changed: get rid of CStdString in GUIWindowAddonBrowser
changed: get rid of CStdString in GUIDialogAddonSettings
changed: get rid of CStdString in CGUIViewState + implementations