add .gitignore for barclamp repos with .lock, etc
Merge pull request #98 from waynepallen/pull-req-master-5595b22fd45c0cbd7e297516db30b4a9dcaf4dfa

Add .gitignore file to barclamp repo; ignore Gemfile.lock files, etc. [3/3]
Note that this barclamp requires the chef barclamp.
Update crowbar.rb to make it work under the omnitruck version of chef-client.
Fix up nic.rb to be 1.9 compliant.
Make sure all_addresses functions properly when handed arrays of
arrays of addresses.
Assume that rubygems is always installed.
Fix precedence for Ruby 1.9 compatibility.
Merge pull request #99 from VictorLowther/pull-req-master-b4a5d683f0e2f729f8e7cc489c8f4afaac0e6fac

Merged by devtool for VictorLowther