add link to a sample presentation
fix a link
Re-fix a link
Re^2-fix a link
add page-changing by swipe
fix invalid path to hammer
add explanation about control presentation with swiping
add footer feature
change listing style
miscellaneous clean-ups
change format for footer text
add page-number supress in title slide
fix number+enter page jump
remove strange unicode caracter
fix interpretation of aspect-ratio
fix description of aspect ratio
minor modification
fix typo
re-fix typo
re^2 fix typo