fix compareStringsPlain
Track refitting for cosmic track splitting validation
NaviagtionSchool in TrackFitter
https://hypernews.cern.ch/HyperNews/CMS/get/tif-alignment/242/1/1/1/1/1/1.html
Merge pull request #6247 from hroskes/track-splitting-72X-for-pullrequest

Bugfix for cosmic track splitting alignment validation