Added ci-build mach command
Add README example
Fix json date/time string and added created/deadline to task
Merge pull request #3 from gregarndt/mach_ci_build

Added ci-build mach command
Bug 1087456 part1: Update base image to CentOS 7.

releng uses CentOS for CI. In order to reuse their packages, we also
move from Ubuntu to CentOS for our base images.
Bug 1087456 part2: change builder image from "gecko-base" to "base".

builder image is now based on the "base" image that lives on gecko
tree.
Bug 1087456 part3: create repositories parent dirs if they don't exist.

Older versions of mercurial cannot create inner directories if the
parents don't exist.
Bug 1087456 part4: use build-setup vars to reference repos.
Merge pull request #5 from walac/bugz/1087456

Bug 1087456
Bug 1085513 part1: Detect the mozconfig obj directory.

We cannot hardcode the object directory because it is configurable
inside the mozconfig file.

Parse the mozconfig and extract the object directory. If it is not
defined, defaults to "/home/worker/object-folder".
Bug 1085513 part2: use nightly mozconfig for b2g desktop builds.
Bug 1085513 part3: Remove unused mozconfig files.

Since we now use the gecko tree mozconfigs for building, the docker
mozconfigs are no longer necessary.
Update docker tester image to use gecko-tree base image
Merge pull request #6 from walac/bugz/1085513

Bug 1085513
Bug 1085511 part1: remove unused json files.

These were tasks in json format put here for tests. Not needed anymore,
kill them.
Bug 1085511 part2: add b2g desktop debug build task.
Merge pull request #8 from walac/bugz/1085511

Bug 1085511
Use worker for build tasks
Merge pull request #7 from rwood-moz/bug1090404

Update docker tester image to use gecko-tree base image
Merge pull request #10 from gregarndt/use_worker_user

Use worker for build tasks