CLOUDIFY-1229
fixed import issue
CLOUDIFY-1595 added comments to test that might explain why they fail sometimes
CLOUDIFY-1229
removed XEN frameworks and all tests.
Merge remote-tracking branch 'origin/master'
CLOUDIFY-1229
removed unused import
CLOUDIFY-1229
removed xen dependency from pom.xml and added the missing dependencies (the ones that xen depends on)
CLOUDIFY-1595 in tests that fail the installation process on purpose. dont uninstall the service if there are still pending volumes being created
fix compilation
CLOUDIFY-1229
added startNewByonMachinesWithZones - in order to optimize the tests by running concurrently
Merge remote-tracking branch 'origin/master'
CLOUDIFY-1229
added startNewByonMachinesWithZones - in order to optimize the tests by running concurrently
CLOUDIFY-1229
optimized DedicatedEagerDataGridTwoIndependentDeploymentsByonTest to start 4 machines concurrently with zones instead of starting them one by one
CLOUDIFY-1229
optimized MixedSharedDedicatedManualByonDataGridTwoDeploymentsIsolationTest and SharedManualByonDataGridTwoUnsharedDeploymentsIsolationTest  to start machines concurrently instead of starting them one by one
CLOUDIFY-1695 test to check behavior of invoke custom command when no command is present.
Change modules maven version to 2.5.1-SNAPSHOT