main/mqtt-exec: upgrade to 0.2 and add an init.d script
testing/mbuffer: upgrade to 20140310
main/fping: upgrade to 3.10
testing/py-isort: upgrade to 3.8.0
main/screen: specify license
testing/fwknop: upgrade to 2.6.2
main/tree: upgrade to 1.7.0
main/alpine-base: add os-release file

http://www.freedesktop.org/software/systemd/man/os-release.html
main/curl: upgrade to 7.37.0
main/libmms: security upgrade to 0.6.4 (CVE-2014-2892)

ref #2907
main/dpkg: security upgrade to 1.16.14 (CVE-2014-0471)

ref #2903