ensure we send over the vendor attribute to fpm so it is set in the package control file
Merge pull request #16 from aussielunix/bug-vendor-missing-from-control-file

ensure we send over the vendor attribute to fpm so it is set in the package control file
Require json to unbreak logging with latest fpm.
Add changelog for 0.12.0.
Bump version to 0.12.0.

Changes:

* Copy source files with no or unknown file extension to
  the source dir. (smasset)
* Set deb_user and deb_group attributes to root.
* Ensure passing the vendor attribute to fpm. (aussielunix)
* Unbreak logging with the latest fpm.
Make local file source behave like the remote url source.

All local file sources will be copied into the cache directory and
handled like remote sources. (i.e. extracted if needed)

Fixes #14.
Add changelog for 0.13.0.
Bump version to 0.13.0.

Changes:

* Make local file source behave like the remote url source. (#14)
Add license.