Adapt Flask static folder path for 'frozen' mode
Lower cpu usage with sleep
Merge branch 'no_zmq'

Conflicts:
	src/pydio/main.py
merged
Merge branch 'master' of https://github.com/pydio/pydio-sync
Fix diagnostic class after zmq hardcore removal
Replace DEFAULT_CONFIG_FILE with DEFAULT_DATA_PATH, pointing to USER_HOME/.pydio_data
Merge remote-tracking branch 'origin/master' into no_zmq

Conflicts:
	src/pydio/main.py
	src/pydio/test/diagnostics.py