doc updates

Author: gilv

README.md

@@ -81,6 +81,8 @@ Summary of configuration keys
 |ibm_cf| endpoint | | yes | IBM Cloud Functions hostname. Endpoint is the value of 'host' from [api-key](https://console.bluemix.net/openwhisk/learn/api-key). Make sure to use https:// prefix |
 |ibm_cf| namespace | | yes | IBM Cloud Functions namespace. Value of CURRENT NAMESPACE from [api-key](https://console.bluemix.net/openwhisk/learn/api-key) |
 |ibm_cf| api_key | | yes | IBM Cloud Functions api key. Value of api key from [api-key](https://console.bluemix.net/openwhisk/learn/api-key) |
+|ibm_cf| action_timeout | 600000 |no |  Default timeout |
+|ibm_cf| action_memory | 512 | no | Default memory |
 |ibm_cos | endpoint | | yes | Endpoint to your COS account. Make sure to use full path. for example https://s3-api.us-geo.objectstorage.softlayer.net |
 |ibm_cos | api_key | | yes | API Key to your COS account|