Adds floating-ips support ("os-floating-ips" extension for nova)
prompted by https://issues.apache.org/jira/browse/DTACLOUD-563
request for the Deltacloud OpenStack driver
Add 'status' attribute to volume object

Add the 'status' value to the volume object so one can query for status and wait/operate accordingly.
Merge pull request #28 from marios/DTACLOUD_563

Adds floating-ips support ("os-floating-ips" extension for nova)
Merge pull request #29 from splaspood/patch-1

Add 'status' attribute to volume object
Bump version, changelog and gemspec for 1.1.1 release
Merge remote-tracking branch 'upstream/master'