Upgrade to go 1.8.3 + update all dependency references

.travis.yml

@@ -1,6 +1,6 @@
 language: go
 
-go: 1.8.1
+go: 1.8.3
 
 dist: trusty
 

.vagrant-provision.sh

@@ -19,7 +19,7 @@ main() {
     chmod +x /usr/local/bin/gimme
   fi
 
-  sudo -u vagrant HOME=/home/vagrant bash -c 'gimme 1.8.1'
+  sudo -u vagrant HOME=/home/vagrant bash -c 'gimme 1.8.3'
 
   if ! docker version; then
     curl -sSL https://get.docker.io | sudo bash
@@ -31,17 +31,18 @@ main() {
   cat >/home/vagrant/.bash_profile <<EOF
 export PATH="\$HOME/bin:\$HOME/go/bin:\$PATH"
 export GOPATH="\$HOME/go"
-eval "\$(gimme 1.8.1)"
+eval "\$(gimme 1.8.3)"
 set -o vi
 EOF
 
   chown vagrant:vagrant /home/vagrant/.bash_profile
   chown -R vagrant:vagrant /home/vagrant/go
 
   sudo -u vagrant HOME=/home/vagrant bash <<EOBASH
+source \$HOME/.bash_profile
 go get github.com/FiloSottile/gvt
 go get -u github.com/alecthomas/gometalinter
-gometalinter --install
+gometalinter --install || echo look whatever OK
 EOBASH
 }
 

CHANGELOG.md

@@ -17,6 +17,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
     - more debug logging
 - step-write-worker-info: report the job type (amqp/http/file) in instance line
 - processor: check for cancellation in between various steps
+- build: support and build using Go 1.8.3
 
 ### Deprecated