Use a shell command for bash resource guard, versus ruby, since chefspec cannot easily test for the ruby
Merge pull request #2 from continuuity/feature/shell-command-vs-ruby

Feature/shell command vs ruby
Merge remote-tracking branch 'origin/master' into feature/testing-framework
Adding hive['hive_site']['javax.jdo.option.ConnectionURL'] pointing to MySQL
Check for curl and unzip
Add execute check
Add attributes to use kerberos code path
Add more stubs and check user creation
Add a ton more stubs and check execute resources
Oops. Brain fart.
Use shell command for guard
Merge pull request #3 from continuuity/feature/shell-command-vs-ruby

Use shell command for guard
Merge remote-tracking branch 'origin/master' into feature/testing-framework