feat(attributes): add keep_releases option
add option for strict ssh checking
Allow a file name to be passed in as deploy_key.
Updated documentation.

Reflect the change in deploy_key behavior, which can now accept a file path.
Add custom ChefSpec matchers for application lwrp
Merge pull request #29 from ezotrank/feat_keep_releases_option

feat(attributes): add keep_releases option
Merge pull request #39 from bellycard/strict-ssh

add option for strict ssh checking
Merge pull request #40 from bmironenko/master

Allow a file path to be passed in as deploy_key
Merge pull request #41 from albandiguer/chefspec_custom_matchers

Add custom ChefSpec matchers for application lwrp
Remove ChefSpec info.