kipper - Update GitHub commit statuses from Jenkins build results

Age	Commit message (Collapse)	Author
2017-11-08	af83.rs: Add `job_name` to get name of Jenkins jobs	Teddy Wing
	A new af83 module for non-general code. The `job_name` function will turn a commit reference into a job name string. This job name corresponds to the names of branch builds in Jenkins, and is a custom format, specific to af83.
2017-11-08	pull_request.rs: Make `CommitRef` public	Teddy Wing
	I had forgotten I needed to make the struct and its fields public. We need this to be able to use it outside of the module.
2017-11-08	jenkins.rs: Add `result_from_job`	Teddy Wing
	This method will take a job JSON payload returned from the Jenkins API (http://jenkins/job/:project/:id/api/json), and return its status, success, failed, or pending. A new `JobStatus` type represents the status of jobs.
2017-11-07	jenkins.rs: Add `get_jobs`, test HTTP request	Teddy Wing
	Try making our first HTTP request to the Jenkins API. Use Basic authentication with our name and access token. The 'reqwest' format is based on https://doc.rust-lang.org/stable/std/string/struct.String.html Eventually this method should return a `Vec` of jobs, actually job URLs, but at least we know it works and gives us a 200.
2017-11-07	jenkins.rs: Outline commit status update algorithm	Teddy Wing
	Comment and a rough interface definition describing how commit statuses should be updated and how Jenkins should be queried.
2017-11-07	main.rs: Print message on 404	Teddy Wing
	Print a simple text message on 404 for human consumption. Makes it more obvious than finding out the response status code in a browser.
2017-11-07	pull_request.rs: Parse JSON payload to create `CommitRef` struct	Teddy Wing
	The test now passes, and we create our `CommitRef` struct using actual values from the parsed JSON. In order to get the branch name, we need the part after the last "/" in the "ref" key. There are a ton of `unwrap`s here, but at least it's a start and it's working now.
2017-11-07	pull_request.rs: Idea to get needed data from JSON payload	Teddy Wing
	Non-working app code, but the test tries to check that we get a structure with the right data given a JSON payload coming from the GitHub PushEvent webhook (copied from https://developer.github.com/v3/activity/events/types/#pushevent).
2017-11-07	Add modules for GitHub and Jenkins interaction	Teddy Wing
	Empty stub modules that will be filled in with the communication code.
2017-11-07	main.rs: Add web server and "hello world" route	Teddy Wing
	Basic web server and dummy response using 'rouille'.
2017-11-07	Initial commit. Cargo init.	Teddy Wing
	Initialised new project with: $ cargo init --bin kipper Rust 1.16.0. (I know, it's super old, but that's what I have on my machine right now without going out to get the latest version.)