Bump version to 0.13.1
Avoid filling config file with default values

Fixes grnet/kamaki#85
Merge branch 'hotfix-0.13.1'
Update Changelog and version files for v0.13.1
Fix debian files

 * Auto-generate docs and man pages
 * Add sphinx to the build dependencies
 * Update homepage to point to the github repo
Merge branch 'master' into debian-wheezy
Bump version to 0.13.1-1~wheezy

Signed-off-by: Nikos Skalkotos <skalkoto@grnet.gr>
Merge branch 'debian-wheezy' into debian-develop