hccshim: bumped hcsshim to v0.8.5

Uses greenhouse-org/hcsshim, branch upstream-v0.8.5-mod.
This contains all commits from Microsoft/hcsshim v.0.8.5 +
commits made by our team to the fork.

Many transitive dependencies have been updated.

This update includes our PR (microsoft/hcsshim#431)
to the syscall watcher

All the tests pass with no major API changes

Signed-off-by: Arjun Sreedharan <asreedharan@pivotal.io>

Gopkg.toml

@@ -33,7 +33,7 @@ required = ["github.com/onsi/ginkgo/ginkgo"]
 [[constraint]]
   name = "github.com/Microsoft/hcsshim"
   source = "github.com/greenhouse-org/hcsshim"
-  branch = "extra-endpoint-info"
+  branch = "upstream-v0.8.5-mod"
 
 [[constraint]]
   branch = "master"
@@ -78,3 +78,9 @@ required = ["github.com/onsi/ginkgo/ginkgo"]
 [[constraint]]
   branch = "master"
   name = "code.cloudfoundry.org/filelock"
+
+# This is done to address an issue with dep
+# See https://github.com/golang/dep/issues/1799
+[[override]]
+  source = "https://github.com/fsnotify/fsnotify"
+  name = "gopkg.in/fsnotify.v1"