Update golang shell setup

shell/golang.sh

@@ -6,7 +6,8 @@ export GOPATH="$HOME/.go:$HOME/Projects/Go"
 path_prepend "$HOME/Projects/Go/bin:$HOME/.go/bin"
 
 install_go_global_packages () {
-  local packages=(
+  local packages=( \
+    github.com/alecthomas/gometalinter \
     github.com/golang/lint/golint \
     github.com/kisielk/errcheck \
     github.com/kr/pretty \
@@ -15,8 +16,10 @@ install_go_global_packages () {
     github.com/motemen/gore \
     github.com/nsf/gocode \
     github.com/pmezard/go-difflib/difflib \
+    github.com/rakyll/boom \
     github.com/rogpeppe/godef \
     github.com/tools/godep \
+    github.com/vektra/mockery/.../ \
     golang.org/x/tools/cmd/goimports \
     launchpad.net/gorun \
   )