Add 0.20 blog post

source/_topics/splitting_configuration.markdown

@@ -179,3 +179,14 @@ That about wraps it up.
 
 If you have issues checkout `home-assistant.log` in the configuration directory as well as your indentations. If all else fails, head over to the [Gitter Chatroom](https://gitter.im/balloob/home-assistant) and ask away.
 
+### {% linkable_title Advanced usage %}
+
+We offer four advanced options to include whole directories at once.
+
+`!include_dir_list` will return content of a directory as a list with each file content being an entry in the list.
+
+`!include_dir_named` will return content of a directory as a dictionary which maps filename => content of file.
+
+`!include_dir_merge_list` will return content of a directory as a list by merging all files (which should contain a list) into 1 big list.
+
+`!include_dir_merge_named` will return content of a directory as a dictionary by loading each file and merging it into 1 big dictionary.

source/_topics/templating.markdown

@@ -72,6 +72,7 @@ Home Assistant adds extensions to allow templates to access all of the current s
  - `as_timestamp` will convert datetime object or string to UNIX timestamp
  - `distance()` will measure the distance in meters between home, entity, coordinates.
  - `closest()` will find the closest entity.
+ - `relative_time(timestamp)` will format the date time as relative time vs now (ie 7 seconds)
 
 
 ## {% linkable_title Examples %}