methods to delete attached host & Vms of datastore
Merge pull request #1386 from akarol/datastore

methods to delete attached host & Vms of datastore
Dockerbot now tries to download credentials multiple times
Merge pull request #1394 from jkrocil/fix-dockerbot-creds-clone

Dockerbot now tries to download credentials multiple times
Append to setup.txt this time
Merge pull request #1395 from jkrocil/fix-dockerbot-append

Append to setup.txt this time
utils.version StringType replaced with basestring (works with unicode)
Merge pull request #1389 from jkrocil/fix-utils-version-unicode

utils.version StringType replaced with basestring (works with unicode)