SPC Part list page create
Can list and remove parts from SPC Part list page
Issue with Spring closing the EntityManagerFactory by disposing of DAO instances
Constants.java: Added a classes to hold the Application's constants
Moved constants from other classes into Constants class
Spring xml:Remove creation of servlet beans as Spring wasn't using them correctly
Spring xml:Spring xml configuration files moved to /WEB-INF/SpringConfig folder except user-servlet.xml