feature #1739: im values in new lines
fetaure #1739: make poll xen/kvm return all vms in template format
feature #1739: add vm poll scripts to xen and kvm im
feature #1739: change im vmware to report vms info
feature #1739: change ganglia probes to get all vms info
feature #1761: split xen drivers in version 3 and 4
feature #1761: Added xen3 and xen4 vmm drivers to oned.conf
feature #1739: IM driver returns information encoded in base64
feature #1739: EC2 information manager returns information encoded in base64
feature #1739: Dummy driver returns host information in base64 encoding
Merge branch 'master' into feature-1739
feature #1739: Moved SSL functions to one_util namespace. oned decodes messages from information drivers
Feature #1483: Fix util.cc
Merge branch 'feature-1761'
Merge remote-tracking branch 'origin/master' into feature-1739
Feature #1739: Minor code cleanup
Feature #1739: VectorAttribute::vector_value checks the value contents
Feature #1739: Refactor VMMDriver poll so it can be called from IMMDriver
Feature #1739: Fix individual VM Poll
Feature #1739: Update vm last_poll when the operation ends, instead of when it is triggered