feature #1712: Generic match-making functions. It can be used with any Resource and not just hosts
Merge branch 'master' into feature-1712
feature #1712: DatastoreXML class for the scheduler
feature #1712: DatastorePoolXML for scheduler. Load Datastore information to perform storage scheduling
feature #1712: Make Scheduler class more general to accomodate Storage Policies
feature #2072: Improve describe-images function
feature #2072: Change describe-images ec2_code
feature #2072: Improve describe-instances function
feature-2262: Make lvm drivers use incremental xpath
feature-2262: Remove HOST default attribute from lvm.conf
feature-2262: Remove HOST default attribute from ceph.conf and ceph drivers
feature-2262: Make iscsi drivers use incremental xpath structure
feature-2262: Remove HOST default attribute from iscsi.conf and iscsi drivers
feature #2072: Include recently terminated instances in describe_instances xml
feature #2072: Use first level ETIME
feature #1712: Restructured scheduler main functions
feature #1712: Changed Match Resources Interface to accomodate Datastore scheduling
feature #2259: Add CreateImage
feature #1712: Fix memory leak
feature #2259: Add CreateSnapshot