Python: version bumped to 2.7.8.
dbus: version bumped to 1.8.6.
e2fsprogs: version bumped to 1.42.11.
timezone-data: version bumped to 2014e.
libffi: version bumped to 3.1.
libusb: version bumped to 1.0.19.
gettext: version bumped to 0.19.2.
dhcpcd: version bumped to 6.4.2.
rsync: version bumped to 3.1.1.
xfsprogs: version bumped to 3.2.1.
coreutils: version bumped to 8.23.
iproute2: version bumped to 3.15.0.
util-linux: version bumped to 2.25.
Merge remote-tracking branch 'florin/python'
Merge remote-tracking branch 'florin/net'
Merge branch 'time'
Merge branch 'e2fs'
Merge remote-tracking branch 'florin/xfs'
gc: version bumped to 7.4.2

Closes #636
Merge remote-tracking branch 'florin/ip'