Implement a '_get_easy_install' helper function to find the desired 'easy_install' executable, modeled on '_get_pip' from the 'pip' module to correctly handle all combinations of explicit executable and virtualenv.
Implement a '_get_easy_install' helper function to find the desired
'easy_install' executable, modeled on '_get_pip'
from the 'pip' module to correctly handle all combinations of explicit
executable and virtualenv.

thaim/ansible,thaim/ansible