appveyor: try batch file syntax
appveyor: don't bother with `go generate`
appveyor: try fixing PATH
appveyor: don't include SHA from `git describe` in patch version
appveyor: are liking issues because of the PATH fix?
appveyor: try with normal linker
appveyor: isolate this to the addition of resource.syso
appveyor: try playform specific syso files
appveyor: use 386 resourse.syso
appveyor: try platform specific files
appveyor: debug 386 build
appveyor: fix x64 path
apveyor: remove some debugging
this adds a new --include-certs=-3 option (default) that includes the
chain except for the root (as per gpgsm). The difference is that each
issuer in the chain will be omitted if the cert has the AIA extension
specifying where to download the issuer.