Progress bar cosmetics

Do not print line when nothing was transferred or skipped. Fix showing skipped transfers.
turn not an error to debug
bump file timeout
bump hashfs version
bump version number
bump version number in libsx
chown data directory too (bb #570)
update NEWS
3rdparty: update nginx to 1.6.1
cosmetics
set rebalance ttl to 7 days
enable commit start log for the indians