Parameterized DENY_THRESHOLD_VALID. Refs #6.
Parameterized DENY_THRESHOLD_ROOT. Refs #6.
Parameterized DENY_THRESHOLD_RESTRICTED. Refs #6.
Parameterized WORK_DIR. Refs #6.
Parameterized SUSPICIOUS_LOGIN_REPORT_ALLOWED_HOSTS. Refs #6.
Parameterized HOSTNAME_LOOKUP. Refs #6.
Parameterized LOCK_FILE. Refs #6.
Parameterized ADMIN_EMAIL. Refs #6.
Parameterized SMTP_HOST & SMTP_PORT. Refs #6.
Parameterized SMTP_USERNAME & SMTP_PASSWORD. Refs #6.
Escaping '.' and added test for SMTP_FROM.  Refs #6.
Parameterized SMTP_FROM. Refs #6.
Parameterized SMTP_SUBJECT and SMTP_DATE_FORMAT. Refs #6.
Parameterized SYSLOG_REPORT. Refs #6.
Parameterized ALLOWED_HOSTS_HOSTNAME_LOOKUP. Refs #6.
Parameterized AGE_RESET_VALID. Refs #6.
Cleaned up syntax/spacing for uniformity. Refs #6.
Parameterized AGE_RESET_ROOT. Refs #6.
Parameterized AGE_RESET_ROOT. Refs #6.
Added some nice rake lint support.