configure WebVirtMgr - work in progress
Merge branch 'master' into feature/configure-wvm

Conflicts:
	app/models/wvm/machine.rb
	app/views/layouts/raw.html.slim
optimistically configure WebVirtMgr - don't handle errors yet
move ISO and HDD out of development directory
check if libvirt is configured properly on site root
fix unit tests
force recheck if libvirt is configured properly
translate disk types (e.g. HDD) to storage pools (e.g. virtkick-hdd)
Merge branch 'feature/configure-wvm'