fixed lantern-common reference
friend notifications
fix missing imports
refactor notifications to eliminate setManager
interaction servlet changes for new friend ui
make friend prompts optional
Don't show notifications while testing to prevent tests from hanging
removed tostring since it's causing concurrentmodificationexception in some cases (needs to be synchronized, but performance penalty not worth it for logging)
addfriend -> friend, removefriend -> reject
more friends-related changes
handle friending self
sync friends when notifications are handled
more friend syncing