bump version number to 2.1.0 and update docs
add acks to changelogs
cors-ft-aggregate command line behavoir change
Default: read from the command line flowtuple files. Support for input multiple files.
F option: sintax "-F <file_list>". file_list is a file where inside are written all the paths of the flowtuple files to preocess. Using '-' as file_list the tool read from standard input
cors-ft-aggragate update docs and help