Code review changes to the startup script

Removed an incorrect wildcard character
Fixed style code issues
Merge pull request #93 from illfelder/master

Code review fixes to the startup script
Switch expired SSH key log level to debug

To avoid spamming the console output.
Merge pull request #97 from jkaplowitz/master

Switch expired SSH key log level to debug
Skip accounts with /sbin/nologin as a login shell
Update accounts.py
Update accounts.py

Add a comment explaining why /sbin/nologin accounts get skipped, and lower logging level to debug.
Merge pull request #98 from cbacon/master

Do not process accounts with /sbin/nologin as login shell