re-add constants.php
deleted constants.php from tracking & re-added to gitignore
again
again
again
add to gitignore
Merge branch 'master' of ssh://dormboard-simonverhoek.rhcloud.com/~/git/dormboard into openshift

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a
changed dinner icon paths
fixed dinner icons
removed hyperlink css in dinner email
fixed 'invalid template-getdorm.php' bug when going to index when still logged in
fixed 'invalid template-getdorm.php' bug when going to index when still logged in - now with WEBSITEROOT link
fixed 'invalid template-getdorm.php' bug when going to index when still logged in - removed WEBSITEROOT link
fixed 'invalid template-getdorm.php' bug, cleaned index.php
cleaned up session.php
changed negative registry feedback message (username -> email address)
removed input validation from join existing dorm
fixed joining dorm case insensitivity bug
email filled in at registry is now first checked on existence in db