new sprites images for main character (from previous newsletter prototype)
removed text from subscribe sprite div
modified background image for subscribe sprite
added click handler to show full size post when clicking on "read more" buttons
added click handler to go back to the interactive world from full posts
added click handler to move back to subscribe from interactive world
added missing buttons in landing sector
added read more button to post excerpts (and a new excerpt example)
added missing button to go back from full size post