add field to represent target directory os ScorpioResultReader
add function to initialize workers
modify format of logging
load default config file from where class path is through
add a function to initialize all the tables at a time
add a new configuration to specify whether or not overwriting database is allowed
update setting files
[BUG_FIX} fix a bug that occurred when copyPath of relocation is null
add a function to get next versions from the main procedure
[BUG_FIX] fix a bug that does not set old/new source files to file changes
add a function to map clones from the main procedure