Update Makefile

Incrementing version

Incrementing version

Prepare for 0.9.19 release

Merge branch 'next'

Note 0.9.17 release date

Note 0.9.16 release date

Fix setuid bit on /usr/bin/sudo, bump version to 0.9.15.

Closes phusionGH-148.

Bump version to 0.9.14

Note 0.9.13 release date

Update changelog