- on universal binaries, use the build id instead of the binary name to
create the folder in the dist folder
- on builds, default the id the to the binary name instead of project
name. The binary name already defaults to the project id if empty, so
this should only prevent having to specify the id + binary name in
some cases.
closes#3061
Signed-off-by: Carlos A Becker <caarlos0@gmail.com>