New target for installing/copying shep to Splunk.
New target for installing/copying shep to Splunk.

Copies build/shep to the SPLUNK_HOME set. Either
an external or our internal splunk, that we use
for testing.
splunk/splunk-shuttl,splunk/splunk-shuttl,splunk/splunk-shuttl,splunk/splunk-shuttl,splunk/splunk-shuttl,splunk/splunk-shuttl