initial opennebula fog class and directories
one: changed name nic to interface
one server: added interfaces_attributes
one: added nil defaults for interfaces
one: added to_label to flavor
one: added vlan and to_label for network
one: added groupid for servers
one: raise one errors if vm allocation fails
[opennebula] adapted the new require structure and added uuid for server model
[opennebula] removed debug infos
[opennebula] raise an ArgumentError if VM name is empty/nil
[opennebula] add gem dependencies and require
[opennebula] add vm_allocate and network tests
[opennebula] make one provider available to fog
[opennebula] added README and some examples for opennebula provider
[opennebula] Added several mocks for fit live testing
[opennebula] fixed indentation and changed string interpolation
[opennebula] typo in raise
[opennebula] interface model: attributes are nil by default; added persisted?
[opennebula] network model: removed default definition of attribute description