Fix minor typo

Changed  to
Merge pull request #1952 from metalivedev/1909-cherrypick

Fix minor typo
Merge pull request #1901 from jalateras/update-contributring-docs

Fix #1664
Merge pull request #1932 from jcassee/patch-1

Download Ubuntu 13.04 repository key over HTTPS
Merge pull request #1929 from tianon/gentoo-docs

Simplified Gentoo install instructions now that our overlay is in the official layman repositories.xml list
Merge pull request #1954 from metalivedev/1901-cherrypick-builddocker

1901 1929 1932 cherrypick to release and docs
Hack: remove deprecated files
hack/MAINTAINERS.md: a maintainer's manual.
Hack: update release checklist and reference it in REAMDE
Update maintainer's manual: every change should be done in a pull request.
Hack: update README
Fix #1969 formatting, add information about multiline json
Bump to version v0.6.3
Add @tianon to hack/MAINTAINERS
Merge pull request #1975 from tianon/patch-1

Add @tianon to hack/MAINTAINERS
Merge pull request #1973 from metalivedev/1969-formatfix

Fix #1969 formatting, add information about multiline json
Hack: correct typo in release checklist
Minor spelling correction of protocoll -> protocol
Add a few tweaks and fixes to contrib/mkimage-debian.sh

Add simple workaround for #1755 to contrib/mkimage-debian.sh

Add simple echo patch in contrib/mkimage-debian.sh to prevent init scripts from running during apt-get installs/updates

Add `apt-get clean` to mkimage-debian.sh for slightly smaller images

Add more small apt tweaks to mkimage-debian.sh thanks to @jpetazzo and @spahl
Merge pull request #1883 from tianon/mkimage-debian

Several small tweaks/fixes for contrib/mkimage-debian.sh