[Tophat][FIX] Tophat crashes when a relative path to output dir is given
Merge branch 'fix_tophat' into develop
[Tophat][MOD] not show ref_name if it is guessed from SampleSheet.csv
Merge branch 'develop'

* develop:
  [Tophat][MOD] not show ref_name if it is guessed from SampleSheet.csv
  [Tophat][FIX] Tophat crashes when a relative path to output dir is given