Classes and their use::
1)DBManipulation: This class is used to do all manipulations from database. -creating DB connection -reading Status from DB -updating status of files
2)StatusChange: This is the thread processing the files and changing its status.
3)Status: The main Class.
DataBase Table: Table name: File Atrributes: 1)id 2)filename 3)file(not used in this code) 4)status