Merge pull request #77 from philrandal/master

Fix virus_info definition in example conf.php
new login form and refactored checklogin.php
Merge pull request #81 from mailwatch/loginform

New design for login form and refactored checklogin.php
Correct free space calculation

fix #78
Adding LDAP email filed variable

fix #44
Merge branch 'master' of https://github.com/mailwatch/1.2.0