appveyor.yml: switch away from unstable image and simplify script
authorAlexander Köplinger <alex.koeplinger@outlook.com>
Tue, 3 Mar 2015 21:35:36 +0000 (22:35 +0100)
committerAlexander Köplinger <alex.koeplinger@outlook.com>
Tue, 3 Mar 2015 21:35:36 +0000 (22:35 +0100)
commit588046144a71281671063245a20cadff59b0034c
treecb40c1187799913addb1b22c90366a505513ee9a
parent826060172f668401a8e69e7ec7fc7e838941c556
appveyor.yml: switch away from unstable image and simplify script

The unstable image seemed to cause problems recently.
We should just use the default image and fetch Cygwin ourselves.

Also added caching of the Cygwin files and simplified the script a bit.
appveyor.yml