moved the candy stylesheets stuff to the core repo
improved Upload::uploadGalleryFiles to be able to specify target folder
moved the initialization stuff of the index.php to the core repo, if one wants to, he still may overwrite defines in the index.php, but upgrading will get easier
added missing thumbnail avatar size for user data
Merge pull request #14 from cnlpete/development

Improvements
minor improvements
correct type
added a config checker that will check all config defines, add missing defines for whcih we have a good default value and throw an error on missing important config values
Merge pull request #15 from cnlpete/development

added a config checker that will check all config defines, add missing d...
Merge pull request #16 from marcoraddatz/master

bring dev upto date with master