Reenable r-devel for the master repository

[krlmlr]

Currently testthat_1.0.2.zip from Dec 4 doesn't work with R-devel from Dec 7 (https://ci.appveyor.com/project/krlmlr/r-appveyor/build/1.0.1192/job/nwa5o7n0tev54ojv#L331). I assume this is a transient issue, need to check later.

9f27b941

[krlmlr]

/remind me next Monday

[reminders[bot]]

@krlmlr set a reminder for Monday at 9:00 AM

[reminders[bot]]

:wave: @krlmlr,

[krlmlr]

/remind me next year

[krlmlr]

/remind me Jan 7

[reminders[bot]]

@krlmlr set a reminder for 01/07/2018

[reminders[bot]]

:wave: @krlmlr,

[krlmlr]

/remind me next week

[reminders[bot]]

@krlmlr set a reminder for Mar 8th 2018

[reminders[bot]]

:wave: @krlmlr,