General enhancements

Frontend:

• [Added] thumbnails for flash files are automatically generated (#33)
• [Added] keyboard shortcuts (#34)
• [Added] upload from URL (#36)
• [Added] youtube post submission, with automatic thumbnails (#37)
• [Added] option to enable/disable endless scrolling (#39)
• [Added] "remember me" option when logging in (#45)
• [Added] tags autocomplete in search field (#47)
• [Added] new "random" tab
• [Added] avatar of uploader
• [Changed] tags autocomplete works even inside words (e.g. aru → Haruhi) (#48)
• [Changed] file drop box stays visible after selecting files (#49)
• [Changed] tags now allow dots (still disallowed . and .. tags)
• [Changed] look of upload, no more text when removing all files from queue
• [Changed] editing post scrolls the page down to the edit box
• [Changed] no more artificial background for transparent images
• [Changed] new look of main page
• [Changed] look of tags list (often used == more visible)
• [Changed] centered main content in post list
• [Changed] larger posts thumbnails (150x150 px)
• [Changed] smaller safety buttons
• [Changed] better checkboxes and radio buttons
• [Changed] updated help page
• [Fixed] letter case is now ignored in search (#46)
• [Fixed] problem with Android keyboards (losing focus)
• [Fixed] e-mail address visibility
• [Fixed] deleting and (un)hiding

Backend:

• [Added] cron job to delete not activated users after 7 days (#38)
• [Added] universal check for form submission
• [Changed] safety list in /upload is resolved automatically
• [Changed] post edit, user edit/delete moved to separate files
• [Changed] compressed user settings DB
• [Changed] reduced page loads
• [Fixed] paginator CSS in comments
• [Fixed] "unconfirmed" message for the first user
• [Fixed] /index link
• [Fixed] posts and thumbnails browser cache