app-emacs/puppet-mode: rename puppet-mode.el sitelisp file

Version the name of the puppet-mode sitelisp so that this package
does not have a file collision with app-admin/puppet. This means
that we can remove the blockers and provide a much easier upgrade
path.

Package-Manager: Portage-2.3.6, Repoman-2.3.2

app-emacs/puppet-mode/puppet-mode-0.3-r1.ebuild

@@ -14,7 +14,7 @@ SLOT="0"
 KEYWORDS="~amd64 ~hppa ~ppc ~x86"
 
 DOCS="CHANGES.rst README.rst"
-SITEFILE="50${PN}-gentoo.el"
+SITEFILE="50${PN}-1-gentoo.el"
 ELISP_PATCHES=( "${FILESDIR}/${PN}-0.3-version.patch" )
 
 RDEPEND="!!<app-admin/puppet-5[emacs]"