Create virtualenv for compass, point compass site packages to virtualenv,
make virtualenv accessable for apache.
Change compass executable scripts to use python in env to be virtualenv
compatible.
Make progress_update daemon use virtualenv.
Comment out some health checks that use packages not available to pip, eg,
yum, apt since we have other ways to check packages any way.
Conflicts:
conf/compassd
install/compass.sh
install/dependency.sh
install/prepare.sh
misc/apache/compass.wsgi
requirements.txt
Change-Id: Ib48633601bf238ffc660c4694834897edbe45e07
