bump(fleet): Bump fleet ebuild to v0.1.2
Merge pull request #358 from bcwaldon/bump-fleet

bump(fleet): Bump fleet ebuild to v0.1.2
feat(coreos-base/coreos): add mdadm

Total additional image size:

```
492K    /build/amd64-generic/sbin/mdadm
332K    /build/amd64-generic/sbin/mdmon
184K    /build/amd64-generic/sbin/mdassemble
```
Merge pull request #360 from philips/mdadm

feat(coreos-base/coreos): add mdadm
Merge branch 'master' of github.com/coreos/coreos-overlay into baselayout