Moving from govendor to dep, updated dependencies (#48)

* Moving from govendor to dep.

* Making the pull request template more friendly.

* Fixing akward space in PR template.

* goimports run on whole project using ` goimports -w $(find . -type f -name '*.go' -not -path "./vendor/*" -not -path "./gen-go/*")`

source of command: https://gist.github.com/bgentry/fd1ffef7dbde01857f66

vendor/github.com/stretchr/testify/.travis.gogenerate.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [[ "$TRAVIS_GO_VERSION" =~ ^1\.[45](\..*)?$ ]]; then
+  exit 0
+fi
+
+go get github.com/ernesto-jimenez/gogen/imports
+go generate ./...
+if [ -n "$(git diff)" ]; then
+  echo "Go generate had not been run"
+  git diff
+  exit 1
+fi