Removed TF warning when training in a distributed setting (#133)

* removed TF warning when training in a distributed setting and changed package version

* revert version back to 0.11.0

.gitignore

@@ -17,6 +17,7 @@ docs/site
 coach_env
 build
 rl_coach.egg*
+rl_coach_slim.egg*
 contrib
 test_log_*
 dist

rl_coach/architectures/tensorflow_components/distributed_tf_utils.py

@@ -95,7 +95,8 @@ def create_monitored_session(target: tf.train.Server, task_index: int,
         hooks=[],
         checkpoint_dir=checkpoint_dir,
         save_checkpoint_secs=checkpoint_save_secs,
-        config=config
+        config=config,
+        log_step_count_steps=0  # disable logging of steps to avoid TF warning during inference
     )
 
     return sess