Add 20 minute timeout for right_api_client calls.
Merge pull request #14 from rightscale-cookbooks/st_14_11_acu180228_api_timeout

Add 20 minute timeout for right_api_client calls.
Don't set open_timeout.
Merge pull request #15 from rightscale-cookbooks/st_14_11_acu180228_api_timeout

Don't set open_timeout.
Bump version to 1.2.2.
Change condition of scanning for volume changes to be on vmware instead of vsphere.
Update spec test setting virtualization/system during detachment.