Fix trailing comma that cause Fatal SyntaxErrors

Got the following errors

```
[2014-03-04T06:08:57+00:00] FATAL: SyntaxError: compile error
/tmp/vagrant-chef-1/chef-solo-1/cookbooks/tomcat/recipes/default.rb:30: syntax error, unexpected ')'
/tmp/vagrant-chef-1/chef-solo-1/cookbooks/tomcat/recipes/default.rb:39: syntax error, unexpected ')'
/tmp/vagrant-chef-1/chef-solo-1/cookbooks/tomcat/recipes/default.rb:201: syntax error, unexpected $end, expecting kEND
```

Resolved by this update
#70 -[COOK-4332] Support running multiple instances
updating test harness
- #73 -Be pedantic on where the data bag secret should be placed

Signed-off-by: Sean OMeara <someara@opscode.com>
Version bump to 0.16.0
Publish 0.16.0 Changelog
Version bump to 0.16.1 (for development)
Merge pull request #58 from lloydmeta/fix/syntax_errors

Fix trailing comma that cause Fatal SyntaxErrors
Minor fix to formatting on README.md
Merge pull request #87 from erichelgeson/master

Minor fix to formatting on README.md