fix broken link (administration -> consulting)
default quality -> standard quality; rewording
style reword
style: remove negative
be more truthful in estimates

there is a saying: "project manager is someone who believes that 9 women
can give birth to a child in 1 month" :)

20 engravers won't work 20 times faster than one engraver (probably more
like 5-10 times faster)
crowd engraving: don't boast in things that haven't been done Yet
remove confusing sentence
beautification: remove confusing sentence
default -> standard quality
remove another confusing sentence
bfsc: merge Janek's review