v80: Address lint/vet feedback / Archive Repo

Record error from fillPackage

Fixes #531

Merge pull request #530 from moncho/master

Bump version number to 78

Default to vendor being on unless older go versions

Fixes #526
Closes #524

Fix doc version

make sure vendor/ is enabled on go1.7 - Note that support for godep w…

…orkspaces will be removed when go1.8 ships

Bump Version

Bump v72

Preserve permissions when copying

Set the file perimissions based on the permissions of the source file.
Particularly useful for copying the x bit

Fixes #404