Gmail for mobile was looking a little tired around the eyes, so Google went ahead and gave the ol' web app a cosmetic lift. The update, announced on the Gmail blog, packs a hat trick's worth of tweaks aimed squarely at iOS and QNX (read: BB PlayBook) users. Email messages can now be manually refreshed with a top-down pull and release -- a feature similar to Twitter's own drag-down approach. The team also added a bit of finesse to inbox navigation with new sliding transitions, and even beefed u
