removed redundant config options
implemented beta branch support and better package detection
implemented an IPC server for front end interface including events and confirmation callbacks
added support for pausing syncing from front end and a countdown till next sync attempt
implemented support for checking running NS2 processes on linux
byte order marks are now detected and stripped from HTTP responses
added a beforeupdate command hook that can be used to perform an action before updating
application will now be relaunched with IPC port if required
sync client updates the GUI wrapper when necessary and progress is shown on front end
corrected order of config preference for bucket, concurrency and maxspeed
fixed --nodelete option being the default even when not used
fixed bugs related to speed and time estimate calculations
various other bug fixes