Scripts: can't deploy AD with 2 instances because of spelling error

[Denis Myznikov]

*Steps to reproduce*
1. Log in WebUI
2. Create new environment "test"
3. Create Active Directory with 2 instances in environment "test"
4. Deploy this environment

*Observed result*
Deploy finished with errors. Conductor log :
2013-08-27 15:18:19.391 12954 INFO muranoconductor.windows_agent [-] Received result from 363d1c11ee1b48e9a6f8bc436eda8ab1 for CreateSecondaryDC: {u'IsException': True, u'Result': u"The term '\ufeff' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again."}
2013-08-27 15:18:19.392 12954 WARNING muranoconductor.windows_agent [-] Handling errors ([{'messages': [u"A general exception has occurred in the Agent: The term '\ufeff' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again."], 'type': 'general'}]) in failure block

[Denis Myznikov (dmyznikov)]

Verified, deploy is okay