fix localBacking file image creation.
fix migration issue with backing file (when base image is on shared directory)

M
Merge pull request #15 from msimonin/fixMigrationWithBacking

fix localBacking file image creation.
[maven-release-plugin] prepare release snoozecommon-2.1.1
[maven-release-plugin] prepare for next development iteration
Add setFeature in parser.

M
Merge pull request #16 from msimonin/2.1.2-fix-shutdown

Add setFeature in parser.
Merge branch 'maint-2.1.0'

Conflicts:
	pom.xml