add .gitignore for barclamp repos with .lock, etc
Merge pull request #39 from waynepallen/pull-req-master-5595b22fd45c0cbd7e297516db30b4a9dcaf4dfa

Add .gitignore file to barclamp repo; ignore Gemfile.lock files, etc. [2/3]
Note that this barclamp requires the chef and network barclamps.
Set sane defaults for the dns-server role.
Fix up default DNS recipe to accept sane defaults from the DSN server role.
Merge pull request #40 from VictorLowther/pull-req-master-b4a5d683f0e2f729f8e7cc489c8f4afaac0e6fac

Merged by devtool for VictorLowther