CLOUDSTACK-7860: test_eip_elb.py - Move Netscler info out of the test case. Read it from config. Fix attribute error. Fix pep8 issues. Fix imports.

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7885 : Fixed the script '/maint/test_vpc_host_maintenance.py'

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
Merge branch '4.5'

* 4.5:
  CLOUDSTACK-7885 : Fixed the script '/maint/test_vpc_host_maintenance.py'
  CLOUDSTACK-7860: test_eip_elb.py - Move Netscler info out of the test case. Read it from config. Fix attribute error. Fix pep8 issues. Fix imports.