Merge pull request #279 in PIPE/pipeline from PIPE_673_VLA_heuristics_fixes to master
* commit '4d8f8797eaf3e044154f05be03a5b32c2b9839bf':
fix: PIPE-674: pblimit_cleanmask == pblimit_image leads to empty arrays when computing stats for weblog. Revert pblimit_cleanmask to base class value.