Bug fix tag 01.02.02 - Last board number is stored to disk so it is persistent across a software restart. git-svn-id: https://svnsrv.desy.de/desy/MSK_PROJECTS/Box19inch/TMCB2/test_software/mass_production_test_software/tags/01.02.02@3253 e4d10518-288a-426b-ba36-e453799dee6f