add .gitignore for barclamp repos with .lock, etc
Merge pull request #24 from waynepallen/pull-req-master-dbe7b4971969c1272385e2b2b0a56a5aa9f5d650

Add .gitignore file to barclamp repo; ignore Gemfile.lock files, etc. [2/4]
Note that this barclamp requires the chef barclamp.
Merge pull request #25 from VictorLowther/pull-req-master-b4a5d683f0e2f729f8e7cc489c8f4afaac0e6fac

Merged by devtool for VictorLowther