Capitalize BFF packager
Rename WindowsMsi packager to MSI
Add note about MacDmg really being a compressor
Rename MacPkg packager to PKG
Rename Pkgmk packager to Solaris
Align whitespace
Use consistent naming for Packagers
Manage passphrase of gpg key used for RPM signing.
How to build and sign RPMs.
Note that package_scripts_path is also used for RPMs.
Merge branch 'yzl/manage-rpmbuild-passphrase' of github.com:opscode/omnibus into yzl/manage-rpmbuild-passphrase