new README with build status and code coverage

Change-Id: Ide9862c2638fca270d3cbad283161f529769bc94
Adds Sprint Board

This duplicates the Workboard classes in the Project application
Sprint Board = Workboard ++
The SprintProjectProfileController overrides the PhabricatorProjectProfileController for all Projects
Adds points to Sprint Board Task Cards
Allows for further modification of Sprint Boards within the Sprint application context

Change-Id: Ic454e1624e34cedd0cb24cbcbc8ed42542596af7
Adds new JS behavior for Sprint Boards

Renamed Burndown Controller to Sprint Controller
Removed Inheritance from PhabricatorProjectController for Board Classes

Change-Id: I5ba5160e66a1bbc2325d4357606cd3e4496caf45
Adds autosum of points for columns in Sprint Board

Change-Id: Ia912abc39208545a8f3c9cc13d95460081f27fae
new SprintBoardTaskEdit Controller

handles problem with ManiphestTaskEdit not instantiating a SprintCard
uses route /sprint/board/task/edit

Change-Id: I3540e185461e8fca5346a2a23ded323d9ff6e299
change stats logic

Change-Id: I2a7e3e8f583e6814e0d59c3bd506f4d7bd110fd0
Merge remote-tracking branch 'upstream/master'