experimental new plugin system

backend.php

classes/button.php

classes/button/tweet.php

classes/feeds.php

classes/filter.php

classes/pluginhandler.php

classes/pluginhost.php

classes/rpc.php

config.php-dist

images/art-tweet.png

include/functions.php

include/rssfuncs.php

include/sanity_config.php

index.php

js/tweet_button.js

plugins/mail/README.txt

plugins/mail/mail.js

plugins/mail/mail.php

plugins/mail/mail.png

plugins/note/README.txt