Fill javadoc for class org.openmrs.activelist.ActiveListType - TRUNK-3176

TRUNK-3176 fill javadoc fro the class ActiveListType. I did some changes as ur comments.

Removed unnecessary javadocs that are defined on the superclass or getters/setters  - TRUNK-3176
Default values not recognized In the Locations --> "Manage Layout" -
TRUNK-3564
Manage preferred status for PersonName, PersonAddress and
PatientIdentifier in the API - TRUNK-2200
Follow up to set the preferred or fully specified name for a concept
list item - TRUK-3232
Manage preferred status for PersonName, PersonAddress and
PatientIdentifier in the API - TRUNK-2200

Taken care of patient identifier and also updated savePatient - TRUNK-2200
Automated Error Report: NumberFormatException on AddPersonController -
TRUNK-2751

Automated Error Report: NumberFormatException on AddPersonController - TRUNK-2752

Applying auto format - TRUNK-2751

Added a unit test to ensure that things work fine for a valid birthdate - TRUNK-2751
Applying auto format changes
get folder for module web files programatically - TRUNK-1589

Made some changes - TRUNK-1589

Made more changes to the tests - TRUNK-1589

Applied auto format changes - TRUNK-1589
Made changes to throw an exception if the dispatcher servlet is null - TRUNK-1589

Fixed javadoc - TRUNK-1589
Taken care of trailing slash depending on if it is included or not which depends on the servlet container's Implementation of ServletContext.getRealPath - TRUNK-1859
Made minor change to getModuleWebFolder - TRUNK-1589
Replaced / with File.separator when fetching module web folder - TRUNK-1859
NonUniqueObjectException: a different object with the same identifier
value was already associated with the session: [org.openmrs.Patient#] -
TRUNK-3728

Applying auto format changes - TRUNK-3728