Is space at a premium in your Google Docs folder? Good news from Mountain View, then, as it's just stealth-increased the storage allowance for its cloud-based document editor. Unfortunately, anyone that's already plumped for a paid extension of their Google Docs storage won't see an extra 5GB on top. This new storage limit also tallies with what we're expecting to see from Google Drive -- presumably pretty soon. [Thanks Kenji]Google Docs bumps u