default inventory to hosts file, disable retry files, set gathering facts smarter

Author: sjentzsch

ansible/ansible.cfg

@@ -1,9 +1,15 @@
 [defaults]
 roles_path = ../../setup_common_lib/ansible/roles
+inventory = ./hosts
+retry_files_enabled = False
 callback_whitelist = profile_tasks
 log_path = /var/log/ansible/ansible.log
 forks = 25
 poll_interval = 10
+gathering = smart
+fact_caching = jsonfile
+fact_caching_connection = /tmp/facts_cache_tf_vision
+fact_caching_timeout = 86400
 
 [connection]
 pipelining = True