Upgrade UnboundID LDAP SDK to v.4.0.7

Author: zapodot

pom.xml

@@ -27,7 +27,7 @@
     </developers>
     <properties>
         <junit.version>4.12</junit.version>
-        <unboundid-ldapsdk.version>4.0.4</unboundid-ldapsdk.version>
+        <unboundid-ldapsdk.version>4.0.7</unboundid-ldapsdk.version>
         <slf4j.version>1.7.25</slf4j.version>
         <guava.version>20.0</guava.version>
         <byte-buddy.version>1.8.0</byte-buddy.version>