Add link to Typesafe config docs

Author: velvia

README.md

@@ -282,6 +282,8 @@ the REST API.
     DELETE /jobs/<jobId>     - Kills the specified job
     GET /jobs/<jobId>/config - Gets the job configuration
 
+For details on the Typesafe config format used for input (JSON also works), see the [Typesafe Config docs](https://github.com/typesafehub/config).
+
 ### Context configuration
 
 A number of context-specific settings can be controlled when creating a context (POST /contexts) or running an

notes/0.5.2.markdown

@@ -3,4 +3,4 @@
 * Spark streaming context support !!  (@zeitos)
 * Change `server_start.sh` to use `spark-submit`.  This should fix some edge case bugs.
 * Configurable driver memory (@acidghost)
-* Be able to accept environment vars in job server config files, eg `master = ${?MY_SPARK_HOST}`
+* Be able to accept environment vars in job server config files, eg `master = ${?MY_SPARK_HOST}`   (see the [Typesafe Config docs](https://github.com/typesafehub/config#uses-of-substitutions))