Merge pull request #93 from sunithamisra/master

Reverted the fix for warning-removal (Thread and QT4 related)
Removed fat16 check for running mmls command
Manually merged volume handling fixes
Merge pull request #95 from sunithamisra/master

Added logic to handle name_type of "-" (dash)
Merge pull request #96 from sunithamisra/master

Flag initialization
Merge pull request #97 from sunithamisra/master

Now we use the partition number to uniquely identify a filename.
Merge pull request #98 from sunithamisra/master

1. Moved the deletion of the tree to after the image file is chosen.  2. strategy to choose sector_size
Fixed reports folder creation bug in bc_reports_tab
Merge pull request #99 from sunithamisra/master

Implemented singal and slot mechanism to communicate between the thread and pyQT4.
Merge pull request #100 from sunithamisra/master

Code clean-up, plus some minor fixes based on some negative tests
premis IDValue and IDType were swapped. fixed it.