alphabetize the ldap attributes

For multiple attributes, iterating directly through the hash is randomly ordered. This causes slow/disruptive restarts for the four services that watch this template. Thus, alpha-order the attribute keys.
Add compatibility with Ubuntu Precise.
Merge pull request #3 from greenmoss/ordered_auth_template

alphabetize the ldap attributes
Merge pull request #4 from greenmoss/Ubuntu_compatibility

Add compatibility with Ubuntu Precise.
Release 1.1.0