Add a simple MySQL check for anonymous users and test database.

Also provide some easy helpers to add good or bad advises.
We can consider update assessors to use them in a next commit.
check user/group ownership on /etc/shadow
Merge pull request #4 from cPanelSSP/master

check user/group ownership on /etc/shadow
Fix typo in ssh module
Merge branch 'master' of github.com:bdraco/addon_securityadvisor
update git command in readme
Fix typo in Assessors/Spam.pm
Merge pull request #5 from Jamyn/master

Fix typo in Spam.pm
refactor stat() calls
Simple check and warn if frontpage is installed
Tidy
both /etc/shadow and /etc/passwd are checked now
put comments in the right place
Merge pull request #7 from escherlat/master

Simple addition of Frontpage checking
Add easyapache link to the new frontpage module
refactored Permissions.pm
removed unnecessary whitespace
Merge pull request #6 from cPanelSSP/master

Permissions.pm updated to check both /etc/passwd and /etc/shadow
Update permissions module to use new api
Remove unnecessary token logic.

Security tokens can be handled more elegantly with relative URLs.