Fix dbuser-map generation on DirectAdmin
Merge pull request #1 from tjikkun/directadmin_usermap

Fix dbuser-map generation on DirectAdmin
Fixes in DA dbuser-map generator
fix username to be username instead of dbname and make file write atomic
Merge pull request #3 from tjikkun/directadmin_usermap

fix username to be username instead of dbname and make file write atomic
fix username to be username instead of dbname and make file write atomic
removed duplicate usernames from DA dbuser-map