Move OpenVZ driver to src/openvz/

* src/openvz_conf.c, src/openvz_conf.h, src/openvz_driver.c,
  src/openvz_driver.h: Move to src/openvz/
* src/Makefile.am, src/libvirt.c: Adjust for changed paths

src/Makefile.am

@@ -140,8 +140,8 @@ PHYP_DRIVER_SOURCES =						\
 		phyp/phyp_driver.c phyp/phyp_driver.h
 
 OPENVZ_DRIVER_SOURCES =						\
-		openvz_conf.c openvz_conf.h			\
-		openvz_driver.c openvz_driver.h
+		openvz/openvz_conf.c openvz/openvz_conf.h	\
+		openvz/openvz_driver.c openvz/openvz_driver.h
 
 VBOX_DRIVER_SOURCES =						\
         vbox/vbox_XPCOMCGlue.c vbox/vbox_XPCOMCGlue.h		\

src/libvirt.c

@@ -53,7 +53,7 @@
 #include "remote_internal.h"
 #endif
 #ifdef WITH_OPENVZ
-#include "openvz_driver.h"
+#include "openvz/openvz_driver.h"
 #endif
 #ifdef WITH_PHYP
 #include "phyp/phyp_driver.h"