Merge pull request #119 from arioch/master

Fix missing template errors due to non-escaped variables
Renamed directories to proper case for ::osfamily
Merge pull request #120 from arioch/master

Bunch of styleguide / lintian fixes
Merge pull request #121 from quulah/master

Renamed directories to proper case for ::osfamily
new feature release

add setting for carbon.conf:
  MAX_UPDATES_PER_SECOND_ON_SHUTDOWN
increase version number
use undef instead of false
Merge pull request #122 from grow-it/carbon_conf_MAX_UPDATES_PER_SECOND_ON_SHUTDOWN

(possible) new feature release
update package names for RedHat 7. fixes #106
prepare release 5.7.0