add(coreos-base/oem-gce): Add support for ssh keys on GCE
fix(coreos-base/oem-gce): Drop debug echo
Merge pull request #269 from marineam/gce

add(coreos-base/oem-gce): Add support for ssh keys on GCE
feat(coreos/base): accept keywords on docker 0.7

we want docker 0.7, accept it's unstable nature
feat(coreos/base): add lvm thin
feat(coreos-devel/sdk-depends): add boost-build

building boost requires that the SDK has the b2 command line utility
installed in /usr/bin/b2. Install this utility in the sdk.
feat(accept_keywords): boost build is needed by lvm
Merge pull request #268 from philips/docker-0.7

feat(coreos/base): changes for docker 0.7
fix(profiles): Use sys-block/thin-provisioning-tools-0.2.8-r1

This moves ruby from RDEPENDS to DEPENDS behind the 'test' USE flag.
hack(coreos-base/hard-host-depends): Work around lvm's configure script path detection
Merge pull request #271 from marineam/fix-thin

Fix LVM/thin dependencies