- fix the 46 errors reported by the w3c html validator in appview.php?versionid=whatever
- fix the 97 errors reported by the w3c html validator in index.php
- remove the help about user rating as it doesn't exist anymore
- improve exisiting help documentation and FAQs (remove out of date
informations, dead link, etc.)
- add new help page for maintainers with details on how to maintain an application
- use application/version/vendor class in scripts
- don't use a full table for queued appication but only one field in the application and version tables
- simplify the code in many places
- fix some code errors and typos (missing $ in front of variable names
and so on)
- fixed a lot of warnings that would have been thrown when error_reporting
is set to show notices (if(isset($variable))) instead of if($variable) for
example)
