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
Applying auto format changes
TRUNK-3979: LoggingAdvice should also log which user is performing an action when an error occurs

Null check and taking systemId if username is empty

User null check

Fix of code duplication
Search for patient by identifier fails when identifier is made of only
letters - TRUNK-3822

Follow up - TRUNK-3822

Follow up to fix some issues - TRUNK-3822

Fixed patientService.getPatientCount method - TRUNK-3822

Follow up to fix failing unit test - TRUNK-3822

Apply auto format changes and fixed HibernateEncounterDAO - TRUNK-3822