Fixes #7: Add rspec tests for chef-vault.rb
Fixes #9: Use getters instead of instance vars

Replace @data_bag and @chef_config_file instance vars with getters generated by attr_accessor
Initial, empty changelog
Add initial Rakefile to run specs
Add Apache 2.0 license file and source headers

Add Apache 2.0 license header to lib/chef/knife files
Fixes #14: Add ititial Changelog

Add initial CHANGELOG

Update CHANGELOG
Merge branch 'moserke-14' of https://github.com/dougireton/chef-vault into moserke-14

Conflicts:
	Changelog.md
Add license to Gemspec file
Add Contributing guide

Remove whitespace.
Add Thank You header
Merge pull request #8 from dougireton/moserke-7

Fixes #7: Add rspec tests for chef-vault.rb
Merge pull request #19 from dougireton/moserke-17

Fixes #17: Add initial Rakefile to run specs
Merge pull request #20 from dougireton/moserke-16

Fixes #16: Add Apache 2.0 license file and source headers
Merge pull request #21 from dougireton/moserke-14

Fixes #14: Add initial Changelog
Merge pull request #22 from dougireton/moserke-15

Fixes #15: Add Contributing guide
Merge pull request #10 from dougireton/moserke-9

Fixes #9: Use getters instead of instance vars
Bump version to 1.2.3, rename spec to _spec.rb for rake task
Update Changelog for 1.2.3