Major rewrite

* use dep for vendoring
* lets encrypt
* moved web to transfer.sh-web repo
* single command install
* added first tests

vendor/github.com/golang/gddo/README.markdown

@@ -0,0 +1,44 @@
+This project is the source for http://godoc.org/
+
+[![GoDoc](https://godoc.org/github.com/golang/gddo?status.svg)](http://godoc.org/github.com/golang/gddo)
+[![Build
+Status](https://travis-ci.org/golang/gddo.svg?branch=master)](https://travis-ci.org/golang/gddo)
+
+The code in this project is designed to be used by godoc.org. Send mail to
+golang-dev@googlegroups.com if you want to discuss other uses of the code.
+
+## Feedback
+
+Send ideas and questions to golang-dev@googlegroups.com. Request features and
+report bugs using the [GitHub Issue
+Tracker](https://github.com/golang/gddo/issues/new).
+
+## Contributions
+
+Contributions to this project are welcome, though please [file an
+issue](https://github.com/golang/gddo/issues/new). before starting work on
+anything major.
+
+**We do not accept GitHub pull requests**
+
+Please refer to the [Contribution
+Guidelines](https://golang.org/doc/contribute.html) on how to submit changes.
+
+We use https://go-review.googlesource.com to review change submissions.
+
+## Getting the Source
+
+To get started contributing to this project, clone the repository from its
+canonical location
+
+```
+git clone https://go.googlesource.com/gddo $GOPATH/src/github.com/golang/gddo
+```
+
+Information on how to set up a local environment is available at
+https://github.com/golang/gddo/wiki/Development-Environment-Setup.
+
+## More Documentation
+
+More documentation about this project is available on the
+[wiki](https://github.com/golang/gddo/wiki).