Bug: #50 added Sphinx documentation.
Merge branch 'f50-sphinxDoc' into release-0.2
Bump version: 0.2.17 → 0.2.18
Bug: #69 added process to use cashed machine uuid
Merge branch 'f69-xenstore' into release-0.2
Bump version: 0.2.18 → 0.2.19
Merge branch 'release-0.2' into devel