Add newlines at end of files

Add newlines at end of the files. Without the newline at the end of the
file the Gblame command in vim-fugitive gets confused.

These were the only three files discovered without newlines

Change-Id: I747e1ae35b2974732ec9058033a7ea445b08a121

playbooks/roles/bifrost-ironic-install/defaults/required_defaults_Fedora_22.yml

@@ -2,4 +2,4 @@
 # NOTE(cinerama): On Fedora 22, ansible 1.9, ansible_pkg_mgr
 # defaults to yum, which may not be installed. This can be safely
 # removed when we start using an ansible release which prefers dnf.
-ansible_pkg_mgr: "dnf"
+ansible_pkg_mgr: "dnf"

playbooks/roles/bifrost-ironic-install/templates/systemd_template.j2

@@ -7,4 +7,4 @@ User={{ item.username }}
 
 [Install]
 WantedBy=multi-user.target
-Alias={{ item.service_name }}{{ init_ext }}
+Alias={{ item.service_name }}{{ init_ext }}

playbooks/roles/bifrost-prep-for-install/tasks/git.yml

@@ -20,4 +20,4 @@
 - name: "Reset local repository"
   command: git reset --hard {{ git_branch }} chdir={{ git_folder }}
 - name: "Resync local repository"
-  command: git pull --ff-only chdir={{ git_folder }}
+  command: git pull --ff-only chdir={{ git_folder }}