Extend list and feed by location (#6222)

1) Disabled softdeleteable in jp list action
2) Added jp location to jp list page
3) Modified jp rest action do disable softdeleteable
4) Exposed location property in jp entity
5) Exposed location name in location entity and
changed serialized name to location
Leave request in app notification message updates (#6265)

The employee name is added to every leave request
notification for better reference.
Leave request notification mail template updates (#6262)

Personal addressing is removed from leave request template.
Minor cleanup done.
Release 3.2.0 declaration (#6286)

Release notes and app version updated.
Symfony framework and vendor lib updates (#6312)

Symfony is updated to version 2.5.4.