LDEV-1907 Show a plus sign "+" in the activity if it contains more than 10 learners LDEV-1469 Progress Bar - rotate green triangles
LDEV-1929 Implement presence in learner (Flash and non-flash) = TODO: + must refactor to use xmpp service to create users with admin account + fix IE to catch flashvars sent from javascript + find workaround to not commenting out sasl in jsjac lib
LDEV-1783 Improve the error message when a user tries to select an activity inside an optional activity/sequence via the progress bar
LDEV-1005: Added lesson name to headings, added help button, improved layout, improved browser compatibility on the page sizing, added scrolling to the iframe, hide the branches that the user isn't doing, adding support for the jump ahead in preview.