changes to new hive execution to work with hadoop security
give sessionstate to hiveconf so that hiveconf points to hive-exec*.jar
Issue 62 - Update viewer.jobtypes property of javaviewer and pigvisualizer plugins. Minor formatting changes.
Issue #62 - Initial import of jobsummary plugin source.
Issue #62 - Rename paths to jobsummary. Job Summary plugin now works in manual testing.
Issue #62 - Fix incorrect plugin.jobtypes and reading wrong parameters in servlet.
Issue #64 - Fix Pig Visualizer graph using new CSS styles.
Issue #62 - Indentation changes.
Issue #62 - Make indentation consistent for all new web sources.
Merge pull request #65 from davidzchen/pigvisualizer-graph

Fix Pig Visualizer graph using new CSS styles.
Merge pull request #63 from davidzchen/job-summary-plugin

Job Summary plugin
Merge pull request #61 from cjyu/master

changes to new hive execution to work with hadoop security
Issue #66 - Copy jobtype and hadoopsecuritymanager jars to directory for new hive job type.
Issue #68 - Use new scrollable CSS style for Pig stats. 25% width fo job type key cell.
Issue #68 - Add java jobtype to jobsummary plugin job types.
Issue #68 - Display placeholder when no job summary is available.
Issue #70 - Display placeholder if Pig Visualizer has no data. Fix Auto Pan Zoom and Reset Pan Zoom buttons.
Issue #70 - Minor tweaks and add a message to refer user to full stats on JobTracker.
Issue #70 - Display counters in more details pane for Pig Visualizer.
Issue #70 - Fix grammar in comment.