Add one-liner docstring to Scheduler.__call__

using scorer in priority scheduler

PEP 8 issues and typos

Changed how Schedulers get their Schedule.

fix for the errors with numpy1.7

Scorer testing

Plot Airmass Improvments

Adding conda channels to CI files

Fix `tonight` method to incorporate horizon at initial time check

`is_night` check)

Adding changelog to the docs

Make the FixedTarget.from_name method easier to discover

Small spelling and name fixes

Creating a Scorer

* Accept either a single target or a list of targets
* Brightness shading that actually works (fr...

Removing location kwarg from moon illumination/phase computations

Moving methods to the base `Scheduler` class

(This seems to be a problem with the Quantity on py2.7 but not sure)

Tonight convenience method

added dark, grey, and bright classmethods

Require moon to be up when there is a minimum moon illumination

sunrise. Optional first `time` param specifies beginning of `tonight`. Middle
of the night corres...

Changing pytest import to use astropy bundled

Update to the schedulers and bugfixes

Constraint broadcasting

The tutorial now explains the shape of the array that a Constraint's compute_constraint method s...