implemented basic chat web part
renamed chat to shoutbox
fixed spelling mistake in shoutbox js and added screenshot
created sponge.js; added copy item custom action
added custom actions feature and renamed copy list item action
copy list items is now added to all list templates with ct 0x01; impl multi approve for doc libs
update binaries
update binaries & added screenshots
Merge branch 'master' of github.com:int32at/Sponge