Correcting license and copyright terms throughout the repo

Correcting license and copyright terms throughout the repo

Please review this carefully!

Strategy:
1) No strict research on copyright/who did what (if you want it changed
   contact the Fuel team or Jonas Bjurel)
2) Licence statements will not be added to the following file types:
   - Patch files or orig files for patches
   - Config files generated by ordinary tools, like libvirt/visrsh
   - GIT dierctive file
   - Other auto-generated files

Change-Id: I48504c6f27925445dc44683a27a575bcab78d828
Signed-off-by: Jonas Bjurel <jonas.bjurel@ericsson.com>
(cherry picked from commit f9e50fa686599ff4a7e94805279820d3cdfefbc4)