87 - PV - More detailed unit staff list

Re-implement users and patients list page using Spring MVC
87 - PV - More detailed unit staff list

Paging and sorting finished
87 - PV - More detailed unit staff list

Revise as comments.
Merge remote-tracking branch 'robworth/develop' into features/87-Unit-Staff-List
Merge remote-tracking branch 'robworth/develop'

Merge remote-tracking branch 'robworth/develop' into
features/87-Unit-Staff-List
Merge pull request #40 from lu-yang/features/87-Unit-Staff-List

Features/87 unit staff list