add contributed plugins; load note plugin by default

config.php-dist

include/functions.php

plugins/flattr/flattr.php

plugins/flattr/flattr.png

plugins/googleplus/googleplus.js

plugins/googleplus/googleplus.php

plugins/googleplus/googleplus.png

plugins/identica/identica.js

plugins/identica/identica.php

plugins/identica/identica.png

plugins/pinterest/pinterest.js

plugins/pinterest/pinterest.php

plugins/pinterest/pinterest.png

plugins/pocket/pocket.js

plugins/pocket/pocket.php

plugins/pocket/pocket.png