Change JobTracker link to button on Pig Visualizer sidebar. Add ISSUES file for tracking new UI bugs.
Remove modal animations.
Check in skeletons for some pig stats classes.
Move Pig utility classes to pigutils.
Use new Pig stats classes for visualizer.
View additional information in job details modal for pig visualizer.
Style job details tables.
Add inputs and outputs to job details.
JobDagNode as base class.
Use linked list-group for visualizer job list.
Merge pull request #20 from davidzchen/bootstrap_ui

More detailed stats for Pig Visualizer.