Bump stash version

Add 2.10.3, 2.10.4, 2.10.5, 2.11.5, 2.11.6, 2.11.7, 2.11.8, 2.12.4,
3.0.4, 3.0.5

Change default to 3.0.5
Merge pull request #30 from linc01n/stash_version_upgrade

Bump stash version
Bump version to 3.9.1
Update stash to 3.1.0
Merge pull request #31 from linc01n/stash_3.1.0

Update stash to 3.1.0
Default to Stash 3.1.0
Merge branch 'master' of https://github.com/bflad/chef-stash into new-verions
Updated stash to 3.1.1