Update TFSAccess.java

removed unnecessary import
Update ReportThread.java

Removed unnecessary lines
Update ChangeSetMapApp.java

Removed unnecessary lines
Update ChangeSetMapGenerator.java

Fixed imports
Update BugChangeSetReport.java

1. Added a hard coded limit to the number of recursions in hasChangeSet method. BugChangeSetReportApp also has a change to support setting this value
2.Fixed a bug in determining if a bug is in "Open" or "In progress" state. Added method isOpen
3. Added percentages to the output report
Update MergeChangeSetClient.java

Added exception handling for a rare exception (ResourceAccessException)
Update ReopenReportGenerator.java

Added code to handle unhandled exception in versionControlClient.getChangese
Update ChangeSetClient.java

Added code to handle an externally set limit on max number of recursions in method hasChangeSet
Update CoreReportGenerator.java

Major change to add another tab to the output excel where severity distribution trends in opened and fixed bugs may be reviewed.
This has not yet been done for the PRojects report
Merge pull request #2 from RonyAtoun/master

changes from September 9