Implemented user settings
Implemented settings route on top panel
Fixed adding, editing and deleting of organisationunit with respect to parent
Added delete functionalities to organisationunit group and groupset
Implemented organisationunit structure regeneration
Implemented delete for Field, FieldGroup, FieldOption,FieldOptionGroup and FieldOptionGroupset
Added id constraint on showAction for \d+ only, Added Hierarchy operation to organisationunit menu
Laied out interface for hierarchy operations and removed group & groupset selectino in friendly report
Merge branch 'master' of github.com:hrisproject/hris