Moved database access from usersettings.php -> update.php
Moved update.php related files to database folder
Fixed warnings about variables not declared in issue.php
Adding Markus Rännare as aknowledged author
Update include/password_functions.php
Changed permissions on install.php
Resovled issue #38
Merge branch 'master' into UserManagement
 * Rework of user handling system
 * Added possibility to update a existing user

 * Start on input validation
 * Started adding comments where sql-attacks might come from
 * Fixed bug with close-issues

 * You can now change passwords for all users
 * You can now delete users