copr: restart copr-dist-git service when config change

roles/copr/dist_git/handlers/main.yml

@@ -1,2 +1,5 @@
 - name: reload httpd
   service: name="httpd" state="restarted"
+
+- name: restart copr-dist-git
+  service: name="copr-dist-git" state="restarted"

roles/copr/dist_git/tasks/main.yml

@@ -41,6 +41,8 @@
   tags:
   - config
   - copr_infrastructure_password
+  notify:
+  - restart copr-dist-git
 
 - name: set git variables for copr-dist-git user
   copy: src=".gitconfig" dest="/home/copr-dist-git/.gitconfig"