temp fix to avoid collecting all tranlations on each run, needs further care

Change-Id: I3d4437819250d0dd3d8ec2938103a40581ec1bfe
disable monthly ticks on R charts, rendered as small blocks, not essential

Change-Id: Id229fe9b582766ba990b10b2518846b8fcd39c60
minor tweaks in R chart processing

Change-Id: I2351191e788fc50859fadecdb8823ddce8a3a695
Minor tweaks in trace code and report comments (MD5->SHA1)

Change-Id: Iabebd409b0519279e6c12521fed5914039751fef