move virt-api core functionality to the it's app structure
move virt-api core functionality to the it's app structure

Signed-off-by: Martin Polednik <864cc392241c077e6ac82cfafc3cb7cecb8321ba@redhat.com>

stu-gott/kubevirt,fabiand/kubevirt,rmohr/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,fabiand/kubevirt,stu-gott/kubevirt,rmohr/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt