* Allow an approver to make changes to the PAF whilst they are approving

* Expose the applicant view of the project and allow them to edit

Applicants can only edit in the first phase
Applicants can only edit the base data on the project

* Improve the display of the addressfield and value

* Add tests in for the views

* De-submissionify the emails to the user

* Fix from rebase

We pull submissions from the QuerySet further down, this imposes a fixed
order on that QuerySet in an effort to stabilise the asserts further
down.

Ref #1347

* Add PacketFile
* Add upload document form and handler
* List uploaded documents in the supporting docs block
* Add diff count to missing Document Categories

Ref #1331

* Make activities private where appropriate
    * APPROVE_PROJECT,
    * REQUEST_PROJECT_CHANGE,
    * SEND_FOR_APPROVAL,
*Updates to project detail page to crate a "flow" of PAF > request approval > approve or request changes.

* Add Approval creation form & view
* Add Rejections
* Display approvals in the sidebar

Ref #1333

* Add Approvers role
* Add Approval model
* Add send for Approval functionality to Project
* Send approval message request to approvers in slack

Ref #1332

* Add the document category model and integrate into the page

* Fix document category migration tree

* Add extra Project fields for PAF
* Add PAF edit form
* Use Project.user_has_updated_details to drive UI
* Add show more toggle to Project detail page

Ref #1330

* bugfix - ensure a tab is activated when there's a trailing hash in the url

* bugfix - ensure tabs render correctly

* spacing tweaks of elements around the site

* correctly align activity feed open and close icons

* correct width of comments column in submissions table

* ensure status block titles don't bleed out of their container

* correct alignment of action button icons

* improve layout of submission action links

* improve layout of comments form on mobile

* remove modal secondary as it's only being used for a different close icon

* improve submission action alignment

* prevent last status bar label from overlapping content and creating unwanted space

* hyphenate all submissions table columns containing long worded items

* Link up the CREATED_PROJECT and UPDATE_PROJECT_LEAD to the activity
* Add tests for the new activities from project

ref #1329

* Update the activity model to work with generic foreign key
* Update the messaging text to work with the change to sources

ref #1329 

* Create a project on accepted determination
* Only create projects when submission is in the final stage
* Wrap determination creation in a transaction
Various parts of setting a determination can fail so lets tie them all
together into a transaction and only send a message when they're all
done successfully.

Ref #1343

* Add lead ForeignKey to Project
* Add form and modal to change Project.lead
* Display current Project.lead along with Fund & Round info

* Copy submission fields onto Project during creation of Project
* Display Project fields on detail page
* test creating Projects from a submission

* Add Project detail page skeleton
* Add project block to submission detail page
* Add basic access tests for ProjectDetailView

* adds payment block and table
* add rejected payment block and logic
* add mobile labels to the payment requests table
* add invoice block and wrap the three components for spacing
* add the change payment status modal

* Add Project model and initial add method&form
* Notify slack when a Project is created
* Test create project view

add show more block

Feature/gh 1337 supporting docs fe

Feature/gh 1336 dashboard stats fe

Add all applicants to a group applicants. Allow reviewers to edit the…

Highlight the opening of a field group with a fading background.

Allow staff users to see/set meta categories to submissions

Allow author and groups with permission to edit reviews.