Merge branch '153-workhorse-3-3-0' into 'master'

Release v3.3.0

Closes #152

See merge request gitlab-org/gitlab-workhorse!206

CHANGELOG

@@ -2,6 +2,12 @@
 
 Formerly known as 'gitlab-git-http-server'.
 
+v 3.3.0
+
+- Ban context.Background !201
+- Respect the ShowAllRefs flag in git upload-pack and info-refs !203
+- Upgrade grpc to v1.7.1, protobuf to latest !207
+
 v3.2.0
 
 - Implement Gitaly call for archive requests !199

VERSION

-3.2.0
+3.3.0

_support/detect-context.sh

 #!/bin/sh
 
-git grep 'context.\(Background\|TODO\)' | grep -v -e '^[^:]*_test.go:' -e '^vendor/' -e '^_support/' | awk '{
+git grep 'context.\(Background\|TODO\)' | \
+    grep -v -e '^[^:]*_test\.go:' -e '^vendor/' -e '^_support/' | \
+    grep -e '^[^:]*\.go' | \
+    awk '{
   print "Found disallowed use of context.Background or TODO"
   print
   exit 1