Makes ActionStartEvent give duration in ticks instead of end time

src/main/java/net/knarcraft/blacksmith/event/ActionStartEvent.java

@@ -7,12 +7,10 @@ package net.knarcraft.blacksmith.event;
 public interface ActionStartEvent extends BlacksmithPluginEvent {
 
     /**
-     * Gets the end time for this action
+     * Gets the amount of ticks this action will take
      *
-     * <p>The end time is a millisecond time-stamp, basically the same format used by currentTimeMillis();.</p>
-     *
-     * @return <p>The end time</p>
+     * @return <p>The duration in ticks</p>
      */
-    long getActionEndTime();
+    long getActionDurationTicks();
 
 }