Version v0.5 - New Feature and fixes

Added Tweet Sheets feature.
Added feature to switch between image logo/textual logo (Admin level).

BUG FIX: GA Category labels should not include irregular codes.
BUG FIX: Fixed issues with % percentage sign in URLs.
BUG FIX: Fixed css issues with icon in editing mode.
BUG Fix: Download feature should be working now since last set of changes.