validate: Expose GES Validate action

So other can also make use of those action outside
ges-launch itself

https://bugzilla.gnome.org/show_bug.cgi?id=740718

ges/Makefile.am

@@ -74,6 +74,7 @@ libges_@GST_API_VERSION@_la_SOURCES = 		\
 	ges-smart-video-mixer.c \
 	ges-utils.c \
 	ges-group.c \
+	ges-validate.c \
 	gstframepositionner.c
 
 libges_@GST_API_VERSION@includedir = $(includedir)/gstreamer-@GST_API_VERSION@/ges/
@@ -156,12 +157,12 @@ noinst_HEADERS = \
 
 libges_@GST_API_VERSION@_la_CFLAGS = -I$(top_srcdir) $(GST_PBUTILS_CFLAGS) \
 		$(GST_VIDEO_CFLAGS) $(GST_CONTROLLER_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) \
-		$(GST_CFLAGS) $(XML_CFLAGS) $(GIO_CFLAGS)
+		$(GST_CFLAGS) $(XML_CFLAGS) $(GIO_CFLAGS) $(GST_VALIDATE_CFLAGS)
 libges_@GST_API_VERSION@_la_LIBADD = $(GST_PBUTILS_LIBS) \
 		$(GST_VIDEO_LIBS) $(GST_CONTROLLER_LIBS) $(GST_PLUGINS_BASE_LIBS) \
-		$(GST_BASE_LIBS) $(GST_LIBS) $(XML_LIBS) $(GIO_LIBS)
+		$(GST_BASE_LIBS) $(GST_LIBS) $(XML_LIBS) $(GIO_LIBS) $(GST_VALIDATE_LIBS)
 libges_@GST_API_VERSION@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) \
-		$(GST_LT_LDFLAGS) $(GIO_CFLAGS)
+		$(GST_LT_LDFLAGS) $(GIO_CFLAGS) $(GST_VALIDATE_CFLAGS)
 
 DISTCLEANFILE = $(CLEANFILES)
 

ges/ges.h

@@ -89,6 +89,7 @@ void     ges_version      (guint * major, guint * minor, guint * micro,
                            guint * nano);
 GOptionGroup *
 ges_init_get_option_group (void);
+gboolean ges_validate_register_action_types (void);
 
 G_END_DECLS
 

tools/ges-validate.h

@@ -27,7 +27,6 @@ G_BEGIN_DECLS
 
 gboolean
 ges_validate_activate (GstPipeline *pipeline, const gchar *scenario, gboolean *needs_set_state);
-gchar * ges_launch_get_new_uri_from_wrong_uri (const gchar *old_uri);
 void ges_launch_validate_uri (const gchar *nid);
 
 gint