virsh: Split cmds for domain monitoring from virsh.c

This splits commands commands to monitor domain status into
virsh-domain-monitor.c. The helpers not for common use are moved too.
Standard copyright is added.

* tools/virsh.c:
  - Remove commands for domain monitoring group and a few helpers (
    vshDomainIOErrorToString, vshGetDomainDescription,
    vshDomainControlStateToString, vshDomainStateToString) not for
    common use.
  - Remove (incldue "intprops.h").

* tools/virsh-domain-monitor.c:
  - New file, filled with commands of domain monitor group.
  - Add "intprops.h".

* cfg.mk:
  - Skip strcase checking for virsh-domain-monitor.c
  - Skip to check config.h including for virsh-domain-monitor.c

* po/POTFILES.in
  - Add virsh-domain-monitor.c

cfg.mk

@@ -704,7 +704,7 @@ $(srcdir)/src/remote/remote_client_bodies.h: $(srcdir)/src/remote/remote_protoco
 	$(MAKE) -C src remote/remote_client_bodies.h
 
 # List all syntax-check exemptions:
-exclude_file_name_regexp--sc_avoid_strcase = ^tools/virsh\.c$$
+exclude_file_name_regexp--sc_avoid_strcase = ^tools/virsh(-domain-monitor)?\.c$$
 
 _src1=libvirt|fdstream|qemu/qemu_monitor|util/(command|util)|xen/xend_internal|rpc/virnetsocket|lxc/lxc_controller
 exclude_file_name_regexp--sc_avoid_write = \
@@ -773,9 +773,10 @@ exclude_file_name_regexp--sc_prohibit_xmlURI = ^src/util/viruri\.c$$
 
 exclude_file_name_regexp--sc_prohibit_return_as_function = \.py$$
 
-exclude_file_name_regexp--sc_require_config_h = ^(examples/|tools/virsh-edit.c$$)
+_virsh_includes=(edit|domain-monitor)
+exclude_file_name_regexp--sc_require_config_h = ^(examples/|tools/virsh-$(_virsh_includes)\.c$$)
 
-exclude_file_name_regexp--sc_require_config_h_first = ^(examples/|tools/virsh-edit.c$$)
+exclude_file_name_regexp--sc_require_config_h_first = ^(examples/|tools/virsh-$(_virsh_includes)\.c$$)
 
 exclude_file_name_regexp--sc_trailing_blank = \
   (/qemuhelpdata/|\.(fig|gif|ico|png)$$)

po/POTFILES.in

@@ -177,6 +177,7 @@ src/xenxs/xen_xm.c
 tools/console.c
 tools/libvirt-guests.init.sh
 tools/virsh.c
+tools/virsh-domain-monitor.c
 tools/virsh-edit.c
 tools/virt-host-validate-common.c
 tools/virt-host-validate-lxc.c