require --installsource to be a file
Merge pull request #319 from tzz/master

sudoers: simplify, add logging, add test.pl
users_local: new sketch
users_local: implement local file editing and runbased (groupadd/useradd) user management
Merge pull request #302 from tzz/tzz/local_user_management

users_local: new sketch based on local_user_management
Update dc_api.md
clear confusion on 'where to input patch file'
postfix/client: new sketch
nrpe: new sketch
php_fpm: new sketch; regenerate README files
Merge pull request #322 from tzz/jhmerge

postfix, nagios, and php_fpm sketches
Merge pull request #308 from bheilman/clarify_installsource

require --installsource to be a file