Changed production deployment to production branch.

deploy/playbook-production.yml

@@ -9,7 +9,7 @@
 
   tasks:
   - name: Pull sources from the repository
-    git: repo={{ project_repo }} dest={{ project_cloned_dir }} version={{ production }} accept_hostkey=yes
+    git: repo={{ project_repo }} dest={{ project_cloned_dir }} version={{ project_branch }} accept_hostkey=yes
 
   - name: Copy only GUI source files from cloned repo to project directory
     synchronize: src={{ project_cloned_dir }}/client/ dest={{ project_root }}/