Apply Nitin's suggestions

Author: rafaelweingartner

api/src/main/java/org/apache/cloudstack/api/ApiConstants.java

@@ -153,7 +153,7 @@ public class ApiConstants {
     public static final String ID = "id";
     public static final String IDS = "ids";
     public static final String ID_PREVIOUS_ACL_RULE = "previousaclruleid";
-    public static final String ID_NEXT_ACL_RULE = "nextaclruleid";
+    public static final String NEXT_ACL_RULE_ID = "nextaclruleid";
     public static final String INTERNAL_DNS1 = "internaldns1";
     public static final String INTERNAL_DNS2 = "internaldns2";
     public static final String INTERVAL_TYPE = "intervaltype";

server/src/main/java/com/cloud/network/vpc/NetworkACLServiceImpl.java

@@ -970,7 +970,7 @@ public int compare(NetworkACLItemVO o1, NetworkACLItemVO o2) {
     }
 
     /**
-     * Mover an ACL to the space between to other rules. If there is already enough room to accommodate the ACL rule being moved, we simply get the 'number' field from the previous ACL rule and add one, and then define this new value as the 'number' value for the ACL rule being moved.
+     * Moves an ACL to the space between to other rules. If there is already enough room to accommodate the ACL rule being moved, we simply get the 'number' field from the previous ACL rule and add one, and then define this new value as the 'number' value for the ACL rule being moved.
      * Otherwise, we will need to make room. This process is executed via {@link #updateAclRuleToNewPositionAndExecuteShiftIfNecessary(NetworkACLItemVO, int, List, int)}, which will create the space between ACL rules if necessary. This involves shifting ACL rules to accommodate the rule being moved.
      */
     protected NetworkACLItem moveRuleBetweenAclRules(NetworkACLItemVO ruleBeingMoved, List<NetworkACLItemVO> allAclRules, NetworkACLItemVO previousRule, NetworkACLItemVO nextRule) {