Updated sample code for syntax highlighting

Specifications/Coding Specifications.md

@@ -26,6 +26,7 @@ All code will be internally-documented using [Javadoc](http://www.oracle.com/tec
 * All files, regardless of language,  must have javadoc-style documentation with author attribution, definition of the file, and short-text of the code license, as defined below:
     
     ```php
+    <?php
     /**
      * File Description Headline
      *
@@ -38,11 +39,13 @@ All code will be internally-documented using [Javadoc](http://www.oracle.com/tec
      * @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause
      * @copyright 2015 the Rector and Visitors of the University of Virginia, and the Regents of the University of California
      */
+    ?>
     ```
 
 * All classes, fields, methods, and function definitions must include documentation, as shown below:
 
     ```php
+    <?php
     /**
      * Name Reconciliation Engine Main Class
      *
@@ -71,6 +74,7 @@ All code will be internally-documented using [Javadoc](http://www.oracle.com/tec
             return $identity;
         }
     }
+    ?>
     ```
 
 ## Licensing in Github/Gitlab