modified method signature getFilesUploadedBySession to return a SortedMap instead of a Map.This was done to ensure a consistent order when displaying files.
Service bean transaction definition was missing some of the ToolContentManager and ToolSessionManager methods, so these methods were not forming part of transactions.
Modified the "leaveToolSession" and related code to allow the tool to pass the userid (which it gets from UserDTO in the shared session) rather than pass User (which the tool doesn't have).
* Changed to get TOOL_SESSION_ID and TOOL_CONTENT_ID from lams_common * added default unspecified() action * change userList() to get contentID instead of sessionID * userList() sets sessionUserMap in requset attribute now instead of userList previously
