syslog-ng.ctl left around after commit

For phusion/baseimage#128
Merge pull request #129 from kingdonb/master

syslog-ng.ctl left around after commit
Update Changelog
Note 0.9.13 release date
Update README.md

updated link to the Changelog of the master branch instead of nsenter
Merge pull request #142 from andreamtp/patch-1

Update README.md
Update Changelog
Bump version to 0.9.14
Fix setuid bit on /usr/bin/sudo, bump version to 0.9.15.

Closes GH-148.