Create `peco` cookbook.
Add `test-kitchen` configuration files.
Add default value for installing `peco`.
Installing `peco`.
Fix `foodcritic`'s offence.

```
--- a/site-cookbooks/peco/metadata.rb
+++ b/site-cookbooks/peco/metadata.rb
@@ -1,6 +1,6 @@
 name             'peco'
-maintainer       'YOUR_COMPANY_NAME'
-maintainer_email 'YOUR_EMAIL'
+maintainer       'Kazuhiro MUSASHI'
+maintainer_email 'simoom634@yahoo.co.jp'
 license          'All rights reserved'
 description      'Installs/Configures peco'
 long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
```
Add `peco` to the base role.
Add `peco` to aws role.
Add test for installing `peco`.
Merge pull request #142 from kazu634/peco-support

Installing `peco`.