Move virDomainSnapshot related APIs out of libvirt.c

Introduce a src/libvirt-domain-snapshot.c file to hold all the
methods related to the virDomainSnapshot type.

docs/apibuild.py

@@ -24,6 +24,7 @@ included_files = {
   "libvirt.h": "header with general libvirt API definitions",
   "virterror.h": "header with error specific API definitions",
   "libvirt.c": "Main interfaces for the libvirt library",
+  "libvirt-domain-snapshot.c": "Domain snapshot interfaces for the libvirt library",
   "virerror.c": "implements error handling and reporting code for libvirt",
   "virevent.c": "event loop for monitoring file handles",
   "virtypedparam.c": "virTypedParameters APIs",

po/POTFILES.in

@@ -57,6 +57,7 @@ src/interface/interface_backend_netcf.c
 src/interface/interface_backend_udev.c
 src/internal.h
 src/libvirt.c
+src/libvirt-domain-snapshot.c
 src/libvirt-lxc.c
 src/libvirt-qemu.c
 src/locking/lock_daemon.c

src/Makefile.am

@@ -189,6 +189,7 @@ DRIVER_SOURCES =							\
 		fdstream.c fdstream.h					\
 		$(NODE_INFO_SOURCES)					\
 		libvirt.c libvirt_internal.h				\
+		libvirt-domain-snapshot.c 				\
 		locking/lock_manager.c locking/lock_manager.h		\
 		locking/lock_driver.h					\
 		locking/lock_driver_nop.h locking/lock_driver_nop.c	\
@@ -2186,6 +2187,7 @@ libvirt_setuid_rpc_client_la_SOURCES = 		\
 		remote/lxc_protocol.c		\
 		datatypes.c			\
 		libvirt.c			\
+		libvirt-domain-snapshot.c	\
 		libvirt-lxc.c			\
 		$(NULL)
 

src/datatypes.h

@@ -27,6 +27,7 @@
 # include "driver.h"
 # include "virthread.h"
 # include "virobject.h"
+# include "viruuid.h"
 
 extern virClassPtr virConnectClass;
 extern virClassPtr virDomainClass;