Added one comment on relying-party.xml.erb
Changed pwdMinLength to 8 characters.
Modify ppolicy_entity.ldif.erb to support the password policy module check_password.so
Update README.md

Aggiunta la descrizione per creare il proprio check_password.so
Added check_password.so ppolicy module compliant with the password
specifications.
Grammar Fix
Added PPolicy check_password to LDAP
Removed useless spaces.
Update README.md

Fix syntax error.
Added the right check_password.so module
Merge pull request #80 from malavolti/master

Added Password Policy Module to verify the passwords