Added tag v1.2.0 for changeset f3242673777c
release version 1.2.0
add options to output aggregated and/or separated heatmaps to files in one go
fix regression: broken author mapping
specifying both --csv and --csv-path should not be necessary
add CSV export of raw data - resolves #806
fix regression: incorrectly splitting at # within commit message
add reading commit hashes from the commit log - resolves #807