Fix bug in upgrade customization when new section ...

Adding a new section to the customized template was conflicting with the number value
on the corresponding funder template section.

Started Services and Actions for #1689 (#1871) ...

StatCreatedPlan/StatJoinedUser Services and Action finished. #1689

removed comment. #1689

usage#all endpoint for all usage CSV reports. #1689

usage#all endpoint with request test associated. #1689

Removed require from files

Moved generate actions into services [#1689]

Renamed joined_user service related [#1689]

Renamed stat_created_plan action to service [#1689]

Removed action total_stat in favour of total_count_stat_service

UsageDownloadController using Org::TotalCountStatService instead of the action

Refactor how Template upgrade customization works (#1856) ...

* Refactor how Template upgrade customization works

- Added position_in_parent to child-records Phase, Section, and Questions
- Extracted upgrade_customization! into its own service object

wip: rebasing on development

wip: pushing to Ghub

wip: Template upgrade customisation service working

Add migration to update versionable_id for records

* Fix bug in org swaps test

Test was failing because JS wasn't executing fast enough in test browser

* Refactor how locales are set in specs

* Fix bug in plan exports caused by git merge

The routes weren't merged properly which seems to have caused a regression error

* Add documentation for SectionSorter

* Update rubyzip and re-instate Bundle Audit

This was disabled because it was failing the Travis CI script. Since there wasn't a
new version of the rubyzip gem to upgrade to, we couldn't turn the error off.

* Add length constraints to versionable_id

* Add length constraints to versionable_id

* Fix bug in ActsAsSortable module

... I have no idea why those issues haven't popped up before now!?

* Fix random bug in I18n

* Move versioning ID migration into own rake task