cpu usage
Merge branch 'master' of https://github.com/alexcazacu/file_sharing2.0

Conflicts:
	backend/client.pyc
	backend/file_sharing.db
	backend/server.py
	backend/server.pyc
	backend/settings.py
	backend/settings.pyc
	interfata/connections_list.pyc
	interfata/file_hunter.py
	interfata/file_hunter.pyc