fix broken date handling after previous commit changed date strings to DateTime object; bring tests up-to-date

move pluralise function to 'before_template_render' hook for consistency with symbolise function

display last-login number of days ago in users list

css tweak to try and align nav section underneath inverted curve of logo, independent of browser width

update user status changes * require confirmation to update user status * status-change function returns update result for flash message * changed function names for updating user status

add last_login to draft_report_users table; new function to update users 'active' status

add 'active' column to draft_report_users table - now required for login

new function to list all users

Merge branch 'hotfix'

no warnings uninitialized - ENV param only set for dev & test

Merge branch 'pod-update'

update documentation, no significant code change

Merge branch 'refactor-dpae-authenticate-user'

simplify DPAE authenticate_user function: * Reporter::DPAE::DB authenticate_user didn't do user credential validation (already done in model) so it only needs to set user-roles and return true * get_user_details returns user from session as it's always present when called * improve documentation in /login route

Merge branch 'fix-mysql-gone-away'