schema: create upgrade path from 4.9.3.1 to 4.11.1.0 (#2628)

Adds upgrade path from security release 4.9.3.1, which is treated same as 4.9.3.0.

Author: rafaelweingartner

engine/schema/src/com/cloud/upgrade/DatabaseUpgradeChecker.java

@@ -408,6 +408,9 @@ public DatabaseUpgradeChecker() {
         _upgradeMap.put(CloudStackVersion.parse("4.9.3.0"),
             new DbUpgrade[] {new Upgrade4930to41000(), new Upgrade41000to41100(), new Upgrade41100to41110()});
 
+        _upgradeMap.put(CloudStackVersion.parse("4.9.3.1"),
+                new DbUpgrade[] {new Upgrade4930to41000(), new Upgrade41000to41100(), new Upgrade41100to41110()});
+
         _upgradeMap.put(CloudStackVersion.parse("4.10.0.0"),
             new DbUpgrade[] {new Upgrade41000to41100(), new Upgrade41100to41110()});