add moved generic utility classes from file-service

utilities-core/pom.xml

@@ -47,7 +47,6 @@
             <artifactId>guava</artifactId>
         </dependency>
 
-
         <!-- Test Dependencies -->
         <dependency>
             <groupId>org.glassfish</groupId>

utilities-core/src/main/java/uk/gov/justice/services/jdbc/persistence/InitialContextFactory.java

@@ -3,8 +3,17 @@
 import javax.naming.InitialContext;
 import javax.naming.NamingException;
 
+/**
+ * Simple wrapper class for getting an {@link InitialContext} to allow for mocking in tests
+ */
 public class InitialContextFactory {
 
+    /**
+     * Instantiates a new {@link InitialContext}
+     *
+     * @return a shiny new {@link InitialContext}
+     * @throws NamingException if instantiating the {@link InitialContext} fails
+     */
     public InitialContext create() throws NamingException {
         return new InitialContext();
     }