shorten topics

docs/modules/ROOT/pages/jme3.adoc

@@ -7,9 +7,6 @@
 ifdef::env-github,env-browser[:outfilesuffix: .adoc]
 
 
-=== Audio and Video
-
-
 === Post-Processor Filters and Effects
 
 *  <<jme3/advanced/effects_overview#,Effects and Filters Overview>>

docs/modules/core/nav.adoc

@@ -21,7 +21,7 @@
 *** xref:export/save_and_load.adoc[Saving and Loading Nodes]
 *** xref:collision/collision_and_intersection.adoc[Collision and Intersection]
 *** xref:scene/control/level_of_detail.adoc[Level of Detail]
-** Animations and Scenes
+** Animation, Scene
 *** xref:animation/animation.adoc[Animation]
 *** xref:cinematic/cinematics.adoc[Cinematics (cutscenes, fake destruction physics)]
 *** xref:cinematic/motionpath.adoc[MotionPaths and Waypoints]
@@ -40,4 +40,4 @@
 *** xref:audio/audio.adoc[Audio: Playing Sounds]
 *** xref:audio/audio_environment_presets.adoc[Audio Environment Presets]
 *** xref:app/state/screenshots.adoc[Capture Screenshots]
-*** xref:app/state/capture_audio_video_to_a_file.adoc[Capture Audio/Video to a File] 
+*** xref:app/state/capture_audio_video_to_a_file.adoc[Capture Audio/Video to a File]