DS-452 Adds helper variables for Shipment Form
DS-452 Adds dosomething_shipment_form into Campaign
DS-452 Display old people copy
DS-452 Display form submitted copy if shipment exists
DS-452 Fixes undefined index errors in custom settings form
UK SSO: Improve module installation.

- Preset `dosomething_user` variables on install
- Remove `dosomething_user` variables on uninstall
Merge pull request #3129 from sergii-tkachenko/DS-381_uk-improve-module-installation

UK SSO: Improve module installation.
Changes per #3128 review
Merge pull request #3128 from aaronschachter/shipment_form

Campaign Shipment Form
revision setting
Fix bugs in the redux tests.

- Trimes trailing spaces in the ds script
- Fixes deadloop during screenshot capturing
- Adds UK example to test help documentation
- Brings back randomuser.js include required by UK tests
Fixes per #3131 review.
Merge pull request #3131 from sergii-tkachenko/test-redux-bugfixes

Fix bugs in the redux tests.
Fixes PHP Notice: Undefined index
DS-452 Replaces Signup Data Form state dropdown with dosomething_user_get_address_administrative_area_options
Add an option to use NFS for Vagrant rather than SSHFS.
Merge pull request #3130 from DeeZone/Issue3126-Pin_message_broker_producer

Adds revision setting for message_broker_producer
DS-441 Creates function to remove extra US states
DS-441 Populates state dropdown for Canada
Adds block comments per #3134 review