fix4all rotation for September / October 2017

Here's a proposed fix4all schedule for September and October:

Week commencing	Person	Team
September 4, 2017	@MadLittleMods	Frontend DC
September 11, 2017	@jacobvosmaer-gitlab	Gitaly
September 18, 2017	@dosuken123	CI/CD
September 25, 2017	@twk3	Build
October 2, 2017	@nick.thomas	Platform
October 9, 2017	@to1ne	Platform
October 16, 2017	no one (Summit)	N/A
October 23, 2017	no one (Summit)	N/A
October 30, 2017	@winh	Frontend AC

Please comment if you can't do a week, and we can look for a swap!

/cc @jschatz1 @andrewn @marin @ayufan @rymai @timzallmann @smcgivern @stanhu

Command:

$ bin/pick-random-team-members 7 --reports-to='Platform Lead' --reports-to='Build Lead' --reports-to='CI/CD Lead' --reports-to='Edge Lead' --reports-to='Frontend DC Lead' --reports-to='Frontend AC Lead' --reports-to='Gitaly Lead'