* [shared with me] added 'watch/unwatch file changes' for libraries
* [groups, group] added 'watch/unwatch file changes' for libraries
* [shared with me] only libraries shared with 'r', 'rw' permissions can be monitored
* [groups, group] only libraries shared with 'r', 'rw' permissions can be monitored
* [shared with me] improved the interaction for library items
* [groups, group] cleaned up the code