add copyrights information
-rw-r--r-- 17987 COPYING
-rw-r--r-- 762 README
-rw-r--r-- 338 TODO
-rwxr-xr-x 1159 app-center
drwxr-xr-x - appcenter
drwxr-xr-x - data
drwxr-xr-x - debian
drwxr-xr-x - po
-rw-r--r-- 17 setup.cfg
-rwxr-xr-x 604 setup.py
drwxr-xr-x - test
drwxr-xr-x - utils