Adding schedule command to schedule cron jobs.

Adding example of a cron job.

Removing functions since they've been moved elsewhere.

docs/australis_schedule.md

@@ -0,0 +1,39 @@
+## australis schedule
+
+Schedule a cron job on Aurora scheduler
+
+### Synopsis
+
+Schedule a cron job on Aurora scheduler
+
+```
+australis schedule [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for schedule
+```
+
+### Options inherited from parent commands
+
+```
+  -a, --caCertsPath string      Path where CA certificates can be found.
+  -c, --clientCert string       Client certificate to use to connect to Aurora.
+  -k, --clientKey string        Client key to use to connect to Aurora.
+      --config string           Config file to use. (default "/etc/aurora/australis.yml")
+  -l, --logLevel string         Set logging level [panic fatal error warning info debug trace]. (default "info")
+  -p, --password string         Password to use for API authentication
+  -s, --scheduler_addr string   Aurora Scheduler's address.
+  -i, --skipCertVerification    Skip CA certificate hostname verification.
+      --toJSON                  Print output in JSON format.
+  -u, --username string         Username to use for API authentication
+  -z, --zookeeper string        Zookeeper node(s) where Aurora stores information. (comma separated list)
+```
+
+### SEE ALSO
+
+* [australis](australis.md)	 - australis is a client for Apache Aurora
+
+###### Auto generated by spf13/cobra on 7-May-2020