docs: Make StageManager a public class

The StageManager API is useful to track the stages of an application.
It will also be useful when we land the modules API.

doc/reference/clutter/Makefile.am

@@ -77,7 +77,6 @@ IGNORE_HFILES=\
 	clutter-private.h \
 	clutter-id-pool.h \
 	clutter-script-private.h \
-	clutter-stage-manager.h \
 	clutter-stage-window.h \
 	clutter-timeout-interval.h \
 	stamp-clutter-enum-types.h \

doc/reference/clutter/clutter-docs.xml.in

@@ -126,6 +126,7 @@
       <xi:include href="xml/clutter-event.xml"/>
       <xi:include href="xml/clutter-main.xml"/>
       <xi:include href="xml/clutter-shader.xml"/>
+      <xi:include href="xml/clutter-stage-manager.xml"/>
       <xi:include href="xml/clutter-units.xml"/>
       <xi:include href="xml/clutter-util.xml"/>
       <xi:include href="xml/clutter-version.xml"/>

doc/reference/clutter/clutter-sections.txt

@@ -1702,3 +1702,26 @@ clutter_egl_display
 <FILE>clutter-eglx</FILE>
 clutter_eglx_display
 </SECTION>
+
+<SECTION>
+<TITLE>ClutterStageManager</TITLE>
+<FILE>clutter-stage-manager</FILE>
+ClutterStageManager
+ClutterStageManagerClass
+clutter_stage_manager_get_default
+clutter_stage_manager_set_default_stage
+clutter_stage_manager_get_default_stage
+clutter_stage_manager_list_stages
+clutter_stage_manager_peek_stages
+
+<SUBSECTION Standard>
+CLUTTER_TYPE_STAGE_MANAGER
+CLUTTER_STAGE_MANAGER
+CLUTTER_STAGE_MANAGER_CLASS
+CLUTTER_IS_STAGE_MANAGER
+CLUTTER_IS_STAGE_MANAGER_CLASS
+CLUTTER_STAGE_MANAGER_GET_CLASS
+
+<SUBSECTION Private>
+clutter_stage_manager_get_type
+</SECTION>

doc/reference/clutter/clutter.types

@@ -31,3 +31,5 @@ clutter_text_get_type
 clutter_animatable_get_type
 clutter_animation_get_type
 clutter_interval_get_type
+clutter_stage_manager_get_type
+clutter_binding_pool_get_type