Backup before opening red5 up to dev. Still has Line tool.

bigbluebutton-client/build.xml.bak

bigbluebutton-client/html-templateBackup/history/history.css

bigbluebutton-client/html-templateBackup/history/history.js

...tton-client/html-templateBackup/history/historyFrame.html

bigbluebutton-client/html-templateBackup/index.template.html

...utton-client/html-templateBackup/playerProductInstall.swf

bigbluebutton-client/html-templateBackup/swfobject.js

bigbluebutton-client/src/conf/config.xml.bak

...lient/src/org/bigbluebutton/common/assets/images/line.png

.../bigbluebutton/modules/whiteboard/business/shapes/Line.as