Update configuration to build new working draft N4750.

Add new papers N4749 (Editors' Report) and N4750.

Update configuration to build new working draft N4741.

Add new papers N4741 and N4740 (Editors' Report).

Update configuration to build new working draft N4727.

Add new papers N4727 and N4728 (Editors' Report).

Update configuration to build new working draft n4713.

Add new papers n4713 and n4714 (editors' report).

Update configuration to build new working draft n4700.

Add new papers n4700 and n4701 (editors' report).

Update configuration to build new working draft n4687.

Add new papers n4687 and n4688 (editors' report).

Update configuration to build new working draft n4659.

Add new papers n4659 and n4661 (editors' report).

Update configuration to build new working draft n4640.

Add new papers n4639 (editors' report) and n4640.

Forcibly enable PDF compression so that LaTeX installation differences
don't cause the PDF file size to vary between 6MB and 16MB.

Update configuration to build new working draft n4618.

Add new papers n4619 (editors' report) and n4618.

Update configuration to build new working draft n4606.

Add new papers n4603 (editor's report), n4604 (C++17 CD), and n4606.