Fixed a bug in Feral rotational logic where the agent would occasionally

initiate a leave-weave when there was insufficient Energy to cast Feral
Charge.

 On branch feral
 Changes to be committed:
	modified:   sim/death_knight/unholy/TestUnholy.results
	modified:   sim/druid/feral/TestFeral.results
	modified:   sim/druid/feral/apl_values.go
	modified:   sim/druid/feral/feral.go
	modified:   sim/druid/feral/rotation.go

sim/death_knight/unholy/TestUnholy.results

@@ -304,7 +304,7 @@ dps_results: {
  value: {
   dps: 43120.17978
   tps: 32013.58168
-  hps: 601.25406
+  hps: 601.25407
  }
 }
 dps_results: {