Version: add revision only if git is available
Install: check if manpages exist
Merge pull request #262 from Ansa89/trivial-fix

Version: add revision only if git is available
Merge branch 'master' into debian/unstable
prepare for release

Signed-off-by: Kill Your TV <killyourtv@i2pmail.org>
prepare for release

Signed-off-by: Kill Your TV <killyourtv@i2pmail.org>