delete OS
#49 hammer hostgroup actions
tasks and tests related to UI-Arch
Fixed the delete OS test
Merge branch 'master' into newtest2
few minor changes and using sleep at few places
Removed comment from 'delete' function
added a blank line at end of file
review comments incorporated
review comments incorporated
updated var name from osname to os_name
renamed test_Operatingsys.py to test_OperatingSys.py
Merge pull request #97 from sghai/newtest2

Adding Create and Remove methods for Operating Systems via UI.
resolved merge conflicts
Removed blank lines
something went wrong while rename so manually updating the file
removed few more whitespaces as per PEP8
updated comments as per PEP8 guidelines
added blank lines
Merge pull request #108 from sghai/arch

UI: fn and tests related to architecture