Added depreciation notice to PvlObject::addLogGroup for ISIS3 v9.0 (#5347)
* added depreciation notice to PvlObject::addLogGroup for ISIS v9.0
* added changelog notice for depreciation warning
* redirected warning output to cerr instead of cout
- Added new parameters <b>ONERROR</b>, <b>ERRORLOG</b>, and <b>ERRORLIST</b> to <i>mosrange</i> to provide better control over error behavior and provide diagnostics when problems are encountered processing the input file list.[#3606](https://github.com/DOI-USGS/ISIS3/issues/3606)
- Added new parameters <b>ONERROR</b>, <b>ERRORLOG</b>, and <b>ERRORLIST</b> to <i>mosrange</i> to provide better control over error behavior and provide diagnostics when problems are encountered processing the input file list.[#3606](https://github.com/DOI-USGS/ISIS3/issues/3606)
- Added ability to delegate calculation of nadir pointing to ALE [#5117](https://github.com/USGS-Astrogeology/ISIS3/issues/5117)
- Added ability to delegate calculation of nadir pointing to ALE [#5117](https://github.com/USGS-Astrogeology/ISIS3/issues/5117)
- Added --no-kernels flag to downloadIsisData [#5264](https://github.com/DOI-USGS/ISIS3/issues/5264)
- Added --no-kernels flag to downloadIsisData [#5264](https://github.com/DOI-USGS/ISIS3/issues/5264)
- Added notice for depreciation to PvlObject::addLogGroup function which will be depreciated in favor of Application::appendAndLog(https://github.com/DOI-USGS/ISIS3/issues/5310)