Corrected indentations
moved get_server_files inner the 'sync' function
implemented _make_copy() function inner the 'sync'
implemented _make_move() function inner the 'sync'
Implemented _filter_tree_difference() function inner the 'sync'
Updated docstring in 'sync' function
implemented _check_md5() function inner 'sync'
implemented 'sync' function
updated daemon for testing
fixed bug in filter_tree_difference() inner 'sync'
factorized 'sync' to improve testing code
implemented a simple test for 'sync' functionality
Merge branch 'master' of https://github.com/corso-python-prato/share-system-team2

Conflicts:
	client/client_daemon.py