Issue pull request for branch development
Issue pull request for branch development

[Delivers #54063833](https://www.pivotaltracker.com/story/show/54063833)
[Delivers #54061975](https://www.pivotaltracker.com/story/show/54061975)
[Delivers #54008435](https://www.pivotaltracker.com/story/show/54008435)
[Delivers #50844489](https://www.pivotaltracker.com/story/show/50844489)
[Delivers #50579365](https://www.pivotaltracker.com/story/show/50579365)
[Delivers #50579357](https://www.pivotaltracker.com/story/show/50579357)
[Delivers #50232363](https://www.pivotaltracker.com/story/show/50232363)
[Delivers #51453035](https://www.pivotaltracker.com/story/show/51453035)
[Delivers #51761107](https://www.pivotaltracker.com/story/show/51761107)
[Delivers #52018387](https://www.pivotaltracker.com/story/show/52018387)
[Delivers #52261841](https://www.pivotaltracker.com/story/show/52261841)
[Delivers #51860573](https://www.pivotaltracker.com/story/show/51860573)
[Delivers #52258895](https://www.pivotaltracker.com/story/show/52258895)
[Delivers #52435675](https://www.pivotaltracker.com/story/show/52435675)

softcover/polytexnic,minireference/polytexnic,softcover/polytexnic,minireference/polytexnic