rename away to autoaway to help alleviate any ambiguity as to what it does

modules/extra/autoaway.cpp

@@ -480,5 +480,5 @@ void CAwayJob::RunJob()
 	}
 }
 
-NETWORKMODULEDEFS(CAway, "Adds auto-away with logging, useful when you use ZNC from different places");
+NETWORKMODULEDEFS(CAway, "Adds auto-away with logging, useful when you use ZNC from different locations");