Use CMake as the toplevel makefile

Change-Id: I139aa0f9ed0687a494b97d28026f3fbe56ffb2e8
Testing wiht a modified layout

Change-Id: Ifdb422172781644abfb3be61888f7702980989d1
try set path

Change-Id: Ib5ac1e339ba7637d88c37f30de6dfca3117ea559
Don't run "configure" in ns_server

Change-Id: I9e536795c5d9fe452a86796457601e8b207642ca