Template rebalance in 'ferm' and 'tcpwrappers'

Previously default "weights" added to file names were very close to each
other, now they should be a little more balanced.
Add 'asciidoc' as ansible required dependency
Merge pull request #33 from drybjed/role/ferm

Rebalancing in ferm and tcpwrappers, asciidoc dpendency