This fix cancel sensitivities to '/' in the end of 'urls of nsx bits' which may be reason of failed deploy for neutron with NSX.

Also level of log messages changed to error when puppet can not download packages for correct work nsx.

Closes-Bug: #1356294

Change-Id: Ifce55943876d87ced49c9160f6b812ab71999341
Merge "This fix cancel sensitivities to '/' in the end of 'urls of nsx bits' which may be reason of failed deploy for neutron with NSX."