[FIX] line break in 'Follow' column by giving padding to left.
[FIX] sale - copy customer ref instead of order name in sale_line_invoice wizard
[MERGE] [FIX] sale: use client ref on invoice val instead of name for make invoice wizard, same behaviour as creation of invoice in classic _prepare_invoice of sale.py. Courtsey of Yannick Vaucher (Camptocamp)
[MERGE] [FIX] mail: css improvement, no overflow when too long words, line break instead