Update go dependencies

vendor/github.com/ajg/form/pre-commit.sh

@@ -0,0 +1,18 @@
+#!/bin/bash -eu
+
+# TODO: Only colorize messages given a suitable terminal.
+# FIXME: Handle case in which no stash entry is created due to no changes.
+
+printf "\e[30m=== PRE-COMMIT STARTING ===\e[m\n"
+git stash save --quiet --keep-index --include-untracked
+
+if go build -v ./... && go test -v -cover ./... && go vet ./... && golint . && travis-lint; then
+  result=$?
+  printf "\e[32m=== PRE-COMMIT SUCCEEDED ===\e[m\n"
+else
+  result=$?
+  printf "\e[31m=== PRE-COMMIT FAILED ===\e[m\n"
+fi
+
+git stash pop --quiet
+exit $result