Beta release 0.7.0, Login tracking and blocking, containers and container logic.

• Added login_log table to track login attempts.
• Added login_failure table to track failed login count.
• Renamed sessionlog table to session_log.
• Added login_log_id to session_log table.
• New include file added for login tracking and blocking, as includes/login-functions.inc.php
• Adjusted the login.in, session.inc and logout php pages to accomodate the new login blocking and tracking.
• Fixed some LDAP testing bugs.
• "parent_id" field dropped from area table. This was unused.
• "is_container" field added to item table. This marks the item as a container.
• Containers link added to nav bar.
• containers.inc.php page added for the container logic.
• Containers can be added from the containers page.
• Stock add page now has asterisks marking required fields.
• Items can now be linked to and unlinked from containers
• Stock move page now shows the container the item is in.
• Stock move page now warns you when moving stock that is within a container.
• Moving stock no longer deleted the previous one and adds a new copy. No idea why i did this...
• Removing stock page now only shows the serials of the selected manufacturer. This was missed before and it showed all for the shelf regardless of manufacturer.
• Container field added to the remove stokc page and checks for the container the item is in for removal.
• Removing a container now prompts to remove/move the contents
• The remove page now shows what is and is not in a container.
• Containers page now shows the location of the container. The SQL query for this is rather large though, so might need to be changed at a later date.
• Stock page buttons are now inline with the Stock heading
• Removed all references to "cotnainer"...
• Can now remove children from containers on the containers page
• Can now link and unlink children from the stock page
• Can now add children on the containers page.
• Can now see cotnainers which have no children on the containers page.