implemented base functionality of hourOfCode page...
added text and image files of hourOfCode page
added navigation bubbles...
implemented image-Popup, added some screenshots
added some images, updated text...
updated some pics and text
added hourOfCode-Banner to help-page
little style changes...
updated en-text
updated arrows, added new Spritesheet
updated language file
added HoC Step 0, animated gifs
changed gifs
added Step21, modified imagePopup, updated text
updated en-xml...