introduce changes in scripts

changed cfme_data; introduce param overwrite

browse web dir added

docstrings added

tweak params for scripts

some more docstrings

remove unused lines

auto discover edomain, sdomain, cluster

checking params for vsphere

fixes

change docstrings

finally

new requirement: psphere

inc wait time rhevm; continue on all errors
Merge pull request #599 from apagac/template_edit

template_upload script changes